Eurybia radulina (A. Gray) G. L. Nesom (Q2245)

taxon name

Eurybia radulina

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taxon authority

(A. Gray) G.L. Nesom

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taxon rank

species

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taxon status

accepted

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common name

aster râpette (French)

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rough-leaved aster (English)

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rough-leaved wood aster (English)

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Roughleaf aster (English)

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VasCan taxon numeric id

3153

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

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publication

Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/

CA-BC

B.C.

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US-CA

Calif.

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US-OR

Oreg.

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US-WA

Wash.

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Eurybia (Cassini) Cassini in F. Cuvier

parent taxon

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taxon habit

herb

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GBIF taxon key

5396172

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering summer.

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taxon habitat

dry rock outcrops

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edges

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forests

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open forests

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slopes

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foothill oak woodlands

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oak

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oak-fir

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yellow pine forests

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elevation

(10–)100–1600 m

measurement range from

100 meter

measurement range to

1,600 meter

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special status

E

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taxon description fragment

Plants 10–70 cm, laxly cespitose (grayish green), eglandular;

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d0_s0

rhizomes elongate, slender, woody.

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d0_s1

Stems 1–3, ascending to erect, often purple, simple, flexuous, proximally glabrescent or sparsely villous, distally ± densely villous.

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d0_s2

Leaves cauline, firm, margins slightly revolute, coarsely serrate or (distal) entire, scabrous to strigoso-ciliate, teeth mucronate, ± markedly veined, apices mucronate, abaxial faces scabrous, adaxial scabroso-strigose;

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d0_s3

proximal mostly withering by flowering, petioles winged, shorter than blades, bases clasping, blades elliptic to obovate 12–45+ × 7–20+ mm, smaller than mid, apices obtuse;

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d0_s4

mid narrowly winged-petiolate (petioles short with ± clasping bases), distally subpetiolate or sessile, blades ovate or elliptic to broadly oblanceolate or obovate, 32–85 (–130) × 4–40 mm, gradually reduced distally, bases usually attenuate, sometimes cuneate, apices obtuse to acute;

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d0_s5

distal (arrays) oblanceolate to lanceolate, 5–28 × 1–8 mm, more sharply reduced.

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d0_s6

Heads 5–30+ in flat-topped, corymbiform arrays.

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d0_s7

Peduncles densely villous;

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d0_s8

bracts 0–1, scabroso-strigose.

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d0_s9

Involucres campanulate, 6–9 mm, shorter than pappi.

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d0_s10

Phyllaries 38–62 in 4–5 series, midnerves slightly raised (outer), oblong (outer) to lanceolate-linear or linear (inner), unequal, membranous, bases indurate, ± rounded, green zones to scarious margins in distal 1/3–1/2 (outer; seldom ± wholly foliaceous) to 1/5 or none (inner), margins often purple, hyaline, narrowly scarious, erose, densely villoso-ciliate, apices appressed, sometimes purplish-tinged, usually acute, sometimes obtuse, adaxial faces villous.

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d0_s11

Ray-florets 10–15;

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d0_s12

corollas white to sometimes pale violet or purple, 8.5–11 (–13) × 1.3–2.3 mm.

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d0_s13

Disc-florets 30–70;

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d0_s14

corollas yellow becoming purple or pinkish-tinged, 6–7 (–8) mm, ± ampliate, tubes equaling to longer than funnelform-campanulate throats, lobes usually erect, sometimes ± spreading, lanceolate, 1–1.3 mm.

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d0_s15

Cypselae tawny, fusiform, 3–3.5 mm, slightly compressed, ribs 7–9 (brown, translucent), faces strigillose;

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d0_s16

pappi of tawny bristles 2.7–3 mm, ± equaling disc corollas.

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d0_s17

2n = 18, 27.

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d0_s18

morphology statement

10

70

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d0_s0

growth form

cespitose

laxly

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d0_s0

eglandular

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d0_s0

growth form

plant

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d0_s0

1

3

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d0_s2

ascending

erect

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d0_s2

density

purple

often

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d0_s2

simple

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d0_s2

course

flexuous

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d0_s2

glabrescent

proximally

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d0_s2

villous

sparsely

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d0_s2

villous

distally more or less densely

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d0_s2

position

cauline

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d0_s3

firm

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d0_s3

vernation

revolute

slightly

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d0_s3

serrate

coarsely

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d0_s3

entire

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d0_s3

scabrous to strigoso-ciliate

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d0_s3

mucronate

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d0_s3

relief

scabrous

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d0_s3

scabroso-strigose

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d0_s3

withering

mostly

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

elliptic

obovate

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d0_s4

12

45

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d0_s4

7

20

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

flowering

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

elliptic

obovate

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d0_s4

12

45

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d0_s4

7

20

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

elliptic

obovate

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d0_s4

12

45

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d0_s4

7

20

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

elliptic

obovate

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d0_s4

12

45

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d0_s4

7

20

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

elliptic

obovate

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d0_s4

12

45

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d0_s4

7

20

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

1 reference

d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

elliptic

obovate

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d0_s4

12

45

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d0_s4

7

20

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d0_s4

by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices by flowering , petioles winged , shorter than blades , bases clasping , blades elliptic to obovate 12-45+×7-20+ mm , smaller than mid leaves , apices

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d0_s4

obtuse

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

flowering

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d0_s4

obtuse

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d0_s4

winged-petiolate

narrowly

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d0_s5

subpetiolate

distally

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d0_s5

sessile

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d0_s5

elliptic

broadly oblanceolate or obovate

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d0_s5

atypical length

85

130

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d0_s5

32

85

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d0_s5

4

40

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d0_s5

reduced

gradually; distally

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d0_s5

attenuate

usually

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d0_s5

cuneate

sometimes

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d0_s5

obtuse

acute

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d0_s5

oblanceolate

lanceolate

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d0_s6

5

28

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d0_s6

1

8

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d0_s6

reduced

sharply

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d0_s6

inflorescence peduncle

villous

densely

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d0_s8

inflorescence peduncle bract

0

1

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d0_s9

inflorescence peduncle bract

scabroso-strigose

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d0_s9

inflorescence involucre

campanulate

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d0_s10

inflorescence involucre

6

9

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d0_s10

inflorescence involucre

shorter

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d0_s10

indurate

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d0_s11

rounded

more or less

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d0_s11

scarious

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d0_s11

0

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d0_s11

density

purple

often

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d0_s11

appressed

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d0_s11

purplish-tinged

sometimes

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d0_s11

acute

usually

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d0_s11

obtuse

sometimes

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d0_s11

villous

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d0_s11

inflorescence flower ray-floret

10

15

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d0_s12

white

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d0_s13

pale violet

sometimes

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d0_s13

purple

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d0_s13

atypical length

11

13

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d0_s13

8.5

11

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d0_s13

1.3

2.3

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d0_s13

yellow becoming purple or pinkish-tinged

becoming; becoming

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d0_s15

atypical some measurement

7

8

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d0_s15

6

7

1 reference

d0_s15

ampliate

more or less

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d0_s15

inflorescence flower corolla tube

variability

equaling

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d0_s15

inflorescence flower corolla tube

longer

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d0_s15

inflorescence flower perianth throat

funnelform-campanulate

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d0_s15

erect

usually

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d0_s15

spreading

sometimes more or less

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d0_s15

lanceolate

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d0_s15

1

1.3

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d0_s15

leaf rib

7

9

1 reference

d0_s16

strigillose

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d0_s16

fruit pappus

2.7

3

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d0_s17

fruit pappus bristle

tawny

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d0_s17

variability

equaling

more or less

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d0_s18

chromosome

18

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d0_s18

chromosome

27

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d0_s18

stem rhizome

elongate

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d0_s1

stem rhizome

slender

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d0_s1

stem rhizome

woody

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d0_s1

general structure head

5

30

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d0_s7

general structure bundle array

flat-topped

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d0_s7

general structure bundle array

corymbiform

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d0_s7

prominence

raised

slightly

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d0_s11

oblong

lanceolate-linear or linear

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d0_s11

unequal

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d0_s11

membranous

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d0_s11

inflorescence flower disc-floret

30

70

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d0_s14

tawny

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d0_s16

fusiform

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d0_s16

3

3.5

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d0_s16

compressed

slightly

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