Agoseris parviflora (Nuttall) D. Dietrich (Q3055)

taxon name

Agoseris parviflora

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taxon authority

(Nuttall) D. Dietrich

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taxon rank

species

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taxon status

accepted

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common name

agoséride à petites fleurs (French)

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steppe agoseris (English)

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Steppe agoseris (English)

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VasCan taxon numeric id

9807

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distribution

CA-SK

occurrence status

excluded

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publication

FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1019&flora_id=1

US-AZ

Ariz.

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US-CA

Calif.

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US-CO

Colo.

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US-ID

Idaho

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US-MT

Mont.

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US-NV

Nev.

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US-NM

N.Mex.

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US-OR

Oreg.

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US-SD

S.Dak.

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US-UT

Utah

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US-WY

Wyo.

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parent taxon

Agoseris Rafinesque

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taxon habit

herb

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GBIF taxon key

8132316

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Apr–Aug.

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taxon habitat

dry habitats

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sandy soils

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short-grass prairies

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sagebrush steppes

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pinyon-juniper woodlands

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montane meadows

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mixed conifer forests

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elevation

1000–3400 m

measurement range from

1,000 meter

measurement range to

3,400 meter

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special status

E

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taxon description fragment

Stems 0.

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d0_s0

Leaves erect to decumbent;

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d0_s1

petioles sometimes purplish, margins usually ± hairy, sometimes glabrous or ciliate;

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d0_s2

blades linear-lanceolate to oblanceolate, (5–) 10–20 (–32) cm, margins usually lobed, sometimes entire (variable within plants, e.g., outer entire, inner lobed), rarely all entire;

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d0_s3

lobes (3–) 5–8 pairs, linear to lanceolate, mostly retrorse, sometimes spreading;

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d0_s4

lobules often present, faces glabrous and glaucous or densely tomentose.

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d0_s5

Peduncles not notably elongating after flowering, [(6–) 10–25 (–45) cm in fruit], glabrate, or apically hairy to lanate, eglandular.

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d0_s6

Involucres obconic to hemispheric, 2–3.5 cm in fruit.

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d0_s7

Phyllaries in 2–3 series, usually medially rosy purple, rarely all green or spotted, margins ciliate or lanate, faces glabrous or sparsely villous, eglandular;

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d0_s8

outer erect or spreading, adaxially ± tomentose (sometimes glabrous);

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d0_s9

inner erect, not notably elongating after flowering.

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d0_s10

Receptacles epaleate.

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d0_s11

Florets 30–100;

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d0_s12

corollas yellow, tubes (4–) 6–15 mm, ligules 10–20 × 2–4 mm;

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d0_s13

anthers 3–5 mm.

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d0_s14

Cypselae 9–18 mm, bodies terete or narrowly conic to obconic, 5–9 mm, beaks 3–10 mm, lengths (1/2–) 2 times bodies;

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d0_s15

pappus bristles in ca. 3 series, 10–20 mm. 2n = 18.

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d0_s16

morphology statement

stem

presence

absent

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d0_s0

leaf

erect

decumbent

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d0_s1

leaf petiole

purplish

sometimes

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d0_s2

hairy

usually more or less

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d0_s2

glabrous

sometimes

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d0_s2

ciliate

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d0_s2

linear-lanceolate

oblanceolate

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d0_s3

atypical some measurement

5

10

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d0_s3

atypical some measurement

20

32

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d0_s3

10

20

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d0_s3

lobed

usually

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d0_s3

entire

sometimes

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d0_s3

entire

rarely

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d0_s3

atypical quantity

3

5

1 reference

d0_s4

quantity

5

8

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d0_s4

linear

lanceolate

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d0_s4

retrorse

mostly

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d0_s4

spreading

sometimes

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d0_s4

glabrous

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d0_s5

glaucous

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d0_s5

tomentose

densely

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d0_s5

elongating

not notably

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d0_s6

apically hairy

lanate

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d0_s6

apically hairy

lanate

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d0_s6

eglandular

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d0_s6

inflorescence involucre

obconic

hemispheric

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d0_s7

inflorescence involucre

2

3.5

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d0_s7

rosy purple

usually medially; medially

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d0_s8

green

rarely

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d0_s8

spotted

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d0_s8

ciliate

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d0_s8

lanate

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d0_s8

glabrous

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d0_s8

villous

sparsely

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d0_s8

eglandular

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d0_s8

erect

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d0_s9

spreading

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d0_s9

tomentose

adaxially more or less

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d0_s9

erect

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d0_s10

elongating

not notably

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d0_s10

inflorescence flower corolla

yellow

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d0_s13

inflorescence flower corolla tube

atypical some measurement

4

6

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d0_s13

inflorescence flower corolla tube

6

15

1 reference

d0_s13

leaf ligule

10

20

1 reference

d0_s13

leaf ligule

width

2

4

1 reference

d0_s13

inflorescence flower anther

3

5

1 reference

d0_s14

fruit beak

3

10

1 reference

d0_s15

fruit beak

(1/2-)2 times bodies

1 reference

d0_s15

fruit pappus bristle

10

20

1 reference

d0_s16

chromosome

quantity

18

1 reference

d0_s16

general structure receptacle

epaleate

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d0_s11

inflorescence flower disc floret

quantity

30

100

1 reference

d0_s12

fruit cypsela

9

18

1 reference

d0_s15

general structure body

narrowly conic

obconic

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d0_s15

general structure body

5

9

1 reference