Eurybia sibirica (Linnaeus) G. L. Nesom (Q2247)

taxon name

Eurybia sibirica

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taxon authority

(Linnaeus) G.L. Nesom

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taxon rank

species

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taxon status

accepted

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common name

aster de Sibérie (French)

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Siberian aster (English)

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arctic aster (English)

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Bering wood aster (English)

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Arctic aster (English)

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VasCan taxon numeric id

3155

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distribution

CA-BC

present

native

1 reference

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-AB

present

native

1 reference

Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.

CA-YT

present

native

1 reference

Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.

CA-NT

present

native

1 reference

Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.

CA-NU

present

native

1 reference

Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.

CA-AB

Alta.

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CA-BC

B.C.

1 reference

CA-NT

N.W.T.

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CA-NU

Nunavut

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CA-YT

Yukon

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US-AK

Alaska

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US-ID

Idaho

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US-MT

Mont.

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n Eurasia

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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

5396081

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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

disturbed

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open

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gravelly

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sandy areas

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boreal forest

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wet meadows

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aspen

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woods

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riparian thickets

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sandy

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gravelly stream

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stream banks

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lakeshores

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bluffs

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sand dunes

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sandy places

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subalpine and mountain meadows

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elevation

0–2200 m

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taxon description fragment

clonal and clumped, eglandular;

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d0_s1

rhizomes creeping to ascending, scaly, woody with age.

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d0_s2

Stems 1–5+, usually ascending, sometimes decumbent, often purplish, sometimes branched basally, flexuous, proximally sparsely villous, distally usually densely villous, sometimes lanate.

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d0_s3

Leaves: cauline (dark green abaxially, paler grayish green adaxially), firm, ± markedly veined, margins coarsely and sometimes irregularly serrate, sometimes (distal) serrulate or entire, villoso-ciliate, teeth mucronate, slightly incurved, apices obtuse to acute, mucronate, abaxial faces glabrescent to scabridulous, sparsely villous along veins, adaxial sparsely to ± densely villous or villoso-strigose;

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d0_s4

proximal winged-petiolate to sessile, petiole bases sheathing, blades spatulate, obovate to oblanceolate, or ovate (smaller than mid), 9–50 × 3–22 mm, bases attenuate to tapering and (in sessile) subclasping;

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d0_s5

mid short-petiolate to subpetiolate or sessile, blades lanceolate to lanceovate, oblong to oblanceolate, or obovate to spatulate, 25–95 × 6–35 mm, gradually reduced distally, bases rounded or subauriculate to widely attenuate or cuneate;

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d0_s6

distal (arrays) sessile, lanceolate, lanceovate, or elliptic to oblanceolate, 8–60 × 1–12 mm, rapidly reduced distally.

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d0_s7

Heads 1–50, borne singly or in open corymbiform arrays.

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d0_s8

Peduncles villous;

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d0_s9

bracts 0–3, sometimes immediately subtending heads, lanceolate or spatulate to linear-lanceolate, leaflike or phyllary-like distally (bases indurate, margins purplish), mostly foliaceous, villous.

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d0_s10

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

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d0_s11

Phyllaries 30–80 in 3–4 (–5) series, sometimes wholly purplish, usually ± oblong-lanceolate to oblanceolate, sometimes linear-lanceolate (innermost), subequal or ± unequal, membranous, bases indurate, ± rounded, dark green zones lanceolate or truncate at base, in distal 1/3–4/5+ (outer, often foliaceous, sometimes bractlike and surpassing involucres) to 1/4–2/3 (inner), margins hyaline, often purplish, narrowly scarious, erose, densely villoso-ciliate, apices squarrose, acute, apiculate, faces villous.

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d0_s12

Ray-florets 12–50;

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d0_s13

corollas white to pale violet or purple, 7–17.5 × 0.8–1.8 mm.

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d0_s14

Disc-florets 25–125;

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d0_s15

corollas yellow becoming purplish, 5–8.1 mm, slightly ampliate, tubes longer than funnelform throats, lobes erect, triangular, 0.5–1.1 mm.

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d0_s16

Cypselae brown, fusiform, compressed, 2.5–3.7 mm, ribs 7–10 (stramineous), faces strigillose;

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d0_s17

pappi of dark cinnamon or reddish tan (sometimes apically clavellate) bristles 5.5–7.5 mm, ± equaling disc corollas.

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d0_s18

2n = 18.

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d0_s19

morphology statement

atypical some measurement

1

5

1 reference

d0_s1

5

60

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d0_s1

growth form

clonal

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d0_s1

arrangement

clumped

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d0_s1

eglandular

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d0_s1

growth form

plant

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d0_s1

creeping

ascending

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d0_s2

scaly

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d0_s2

woody

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d0_s2

1

5

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d0_s3

ascending

usually

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d0_s3

growth form

decumbent

sometimes

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d0_s3

purplish

often

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d0_s3

branched

sometimes; basally

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d0_s3

course

flexuous

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d0_s3

villous

proximally sparsely

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d0_s3

villous

distally usually densely

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d0_s3

lanate

sometimes

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d0_s3

firm

1 reference

d0_s4

veined

more or less markedly

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d0_s4

serrate

sometimes irregularly

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d0_s4

serrulate

sometimes

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d0_s4

entire

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d0_s4

villoso-ciliate

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d0_s4

obtuse

acute

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d0_s4

mucronate

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d0_s4

glabrescent

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d0_s4

relief

scabridulous

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d0_s4

villous

sparsely

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d0_s4

sparsely

more or less densely villous or villoso-strigose

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d0_s4

winged-petiolate

sessile

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d0_s5

sheathing

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d0_s5

spatulate

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d0_s5

obovate

oblanceolate or ovate

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d0_s5

obovate

oblanceolate or ovate

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d0_s5

9

50

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d0_s5

3

22

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d0_s5

attenuate

tapering

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d0_s5

subclasping

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d0_s5

short-petiolate

subpetiolate or sessile

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d0_s6

lanceolate

lanceovate oblong

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d0_s6

lanceolate

lanceovate oblong

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d0_s6

lanceolate

lanceovate oblong

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d0_s6

25

95

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d0_s6

6

35

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d0_s6

reduced

gradually; distally

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d0_s6

subauriculate

widely attenuate or cuneate

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d0_s6

sessile

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d0_s7

lanceolate

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d0_s7

elliptic

oblanceolate

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d0_s7

elliptic

oblanceolate

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d0_s7

8

60

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d0_s7

1

12

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d0_s7

reduced

rapidly; distally

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d0_s7

1

50

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d0_s8

arrangement

singly

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d0_s8

arrangement

in open corymbiform arrays

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d0_s8

open

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d0_s8

corymbiform

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d0_s8

inflorescence peduncle

villous

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d0_s9

0

3

1 reference

d0_s10

spatulate

linear-lanceolate

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d0_s10

leaflike

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d0_s10

phyllary-like

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d0_s10

foliaceous

mostly

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d0_s10

villous

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d0_s10

inflorescence involucre

campanulate

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d0_s11

inflorescence involucre

6

9

1 reference

d0_s11

inflorescence involucre

height

shorter

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d0_s11

indurate

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d0_s12

rounded

more or less

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d0_s12

hyaline

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d0_s12

purplish

often

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d0_s12

scarious

narrowly

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d0_s12

relief

erose

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d0_s12

villoso-ciliate

densely

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d0_s12

squarrose

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d0_s12

acute

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d0_s12

apiculate

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d0_s12

villous

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d0_s12

inflorescence flower ray-floret

12

50

1 reference

d0_s13

white

pale violet or purple

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d0_s14

7

17.5

1 reference

d0_s14

0.8

1.8

1 reference

d0_s14

inflorescence flower

25

125

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d0_s15

yellow becoming purplish

becoming

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d0_s16

5

8.1

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d0_s16

ampliate

slightly

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d0_s16

inflorescence flower corolla tube

longer

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d0_s16

inflorescence flower corolla lobe

erect

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d0_s16

inflorescence flower corolla lobe

triangular

1 reference

d0_s16

inflorescence flower corolla lobe

0.5

1.1

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d0_s16

brown

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d0_s17

fusiform

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d0_s17

compressed

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d0_s17

2.5

3.7

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d0_s17

leaf rib

7

10

1 reference

d0_s17

strigillose

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d0_s17

fruit pappus

5.5

7.5

1 reference

d0_s18

fruit pappus bristle

dark cinnamon

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d0_s18

fruit pappus bristle

reddish tan

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d0_s18

variability

equaling

more or less

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d0_s19

chromosome

18

1 reference