Draba stenopetala Trautvetter (Q3534)

taxon name

Draba stenopetala

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taxon authority

Trautvetter

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taxon rank

species

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taxon status

accepted

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common name

drave à pétales étroits (French)

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star-flowered draba (English)

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star-flowered whitlowgrass (English)

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Anadyr draba (English)

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Anadyr whitlowgrass (English)

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VasCan taxon numeric id

4031

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

1 reference

publication

Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.

CA-YT

establishment of distribution

occurrence status

present

native

1 reference

publication

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

CA-YT

original value

Yukon

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US-AK

original value

Alaska

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e Asia (Russian Far East)

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parent taxon

Draba Linnaeus

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taxon habit

herb

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GBIF taxon key

3049552

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering May–Jul.

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taxon habitat

rock outcrops

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talus

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rocky ridges

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tundra

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alpine

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elevation

100-1900 m

measurement range from

100 meter

measurement range to

1,900 meter

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taxon description fragment

scapose.

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d0_s3

Stems unbranched, (0.02–) 0.07–0.2 (–0.3) dm, pubescent throughout, trichomes simple and short-stalked, 2–5-rayed, 0.1–0.5 mm, (sometimes simple ones very sparse).

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d0_s4

petiolate;

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d0_s7

petiole base and margin ciliate, (trichomes simple and 2-rayed, 0.2–0.5 mm);

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d0_s8

blade obovate to oblong-spatulate, 0.2–0.6 (–0.8) cm × 1–2 (–3) mm, margins entire, surfaces often pubescent with simple and stalked, 2–5-rayed trichomes, 0.2–0.9 mm, sometimes glabrous and trichomes on margins only.

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d0_s9

Cauline leaves 0.

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d0_s10

Racemes 2–5-flowered, ebracteate, not or slightly elongated in fruit;

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d0_s11

Fruiting pedicels divaricate, straight, 2–5 (–7) mm, pubescent as stem.

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d0_s13

Flowers: sepals (spreading or reflexed), oblong, 2–3.5 mm, pubescent, (trichomes simple and 2-rayed);

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d0_s14

petals yellow or purple, linear, 2.5–5 × 0.3–0.7 mm;

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d0_s15

anthers ovate, 0.3–0.4 mm.

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d0_s16

Fruits suborbicular, plane, inflated basally, flattened distally, 3–5 × 3–4 mm;

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d0_s17

valves glabrous or puberulent, trichomes simple, 0.02–0.3 mm;

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d0_s18

ovules 4–10 per ovary;

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d0_s19

style 0.2–0.6 mm.

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d0_s20

Seeds ovoid, 1–1.3 × 0.8–1 mm. 2n = 24, 64.

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d0_s21

morphology statement

stem caudex

branched

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d0_s3

stem caudex

scapose

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d0_s3

unbranched

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d0_s4

atypical some measurement

0.02

0.07

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d0_s4

atypical some measurement

0.2

0.3

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d0_s4

0.07

0.2

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d0_s4

pubescent

throughout

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d0_s4

leaf

arrangement

rosulate

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d0_s7

leaf

petiolate

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d0_s7

inflorescence phyllaries base

ciliate

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d0_s8

inflorescence palea margin

ciliate

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d0_s8

obovate

oblong-spatulate

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d0_s9

atypical length

0.6

0.8

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d0_s9

0.2

0.6

1 reference

d0_s9

atypical width

2

3

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d0_s9

1

2

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d0_s9

inflorescence palea margin

entire

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d0_s9

leaf

presence

absent

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d0_s10

leaf rachis

course

flexuous

slightly

1 reference

d0_s13

leaf rachis

pubescent

1 reference

d0_s13

arrangement

divaricate

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d0_s13

course

straight

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d0_s13

atypical some measurement

5

7

1 reference

d0_s13

2

5

1 reference

d0_s13

pubescent

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d0_s13

inflorescence flower

oblong

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d0_s14

inflorescence flower

2

3.5

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d0_s14

inflorescence flower

pubescent

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d0_s14

coloration

yellow

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d0_s15

coloration

purple

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d0_s15

arrangement

course

linear

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d0_s15

2.5

5

1 reference

d0_s15

0.3

0.7

1 reference

d0_s15

inflorescence flower anther

ovate

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d0_s16

inflorescence flower anther

0.3

0.4

1 reference

d0_s16

suborbicular

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d0_s17

plane

1 reference

d0_s17

inflated

basally

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d0_s17

flattened

distally

1 reference

d0_s17

3

5

1 reference

d0_s17

3

4

1 reference

d0_s17

inflorescence flower gynoecium pistil ovule

quantity

4

10

1 reference

d0_s19

inflorescence flower gynoecium pistil style

0.2

0.6

1 reference

d0_s20

seed

ovoid

1 reference

d0_s21

seed

1

1.3

1 reference

d0_s21

seed

0.8

1

1 reference

d0_s21

chromosome

quantity

24

1 reference

d0_s21

chromosome

quantity

64

1 reference

d0_s21

simple

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d0_s4

short-stalked

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d0_s4

0.1

0.5

1 reference

d0_s4

simple

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d0_s9

stalked

1 reference

d0_s9

inflorescence raceme

2-5-flowered

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d0_s11

inflorescence raceme

ebracteate

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d0_s11

inflorescence raceme

elongated

not; slightly

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d0_s11

general structure valve

glabrous

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d0_s18

general structure valve

puberulent

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d0_s18

simple

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d0_s18

0.02

0.3

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