Draba pilosa Adams ex de Candolle in A. P. de Candolle (Q3527)

taxon name

Draba pilosa

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taxon authority

Adams ex de Candolle

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taxon rank

species

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taxon status

accepted

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common name

drave poilue (French)

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pilose draba (English)

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VasCan taxon numeric id

4023

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distribution

CA-YT

establishment of distribution

occurrence status

present

native

1 reference

publication

Scoggan, H.J. 1978-79. The Flora of Canada. Parts 1-4. National Museum of Natural Sciences, Publications in Botany 7. 4 volumes.

CA-NT

establishment of distribution

occurrence status

present

native

1 reference

publication

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

establishment of distribution

occurrence status

present

native

1 reference

publication

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-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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e Asia (ne Russian Far East)

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e Asia (n Siberia)

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parent taxon

Draba Linnaeus

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taxon habit

herb

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GBIF taxon key

3049875

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Jul–Aug.

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taxon habitat

dry gravelly slopes

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sandy places

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wet tundra

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elevation

0-1300 m

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taxon description fragment

scapose.

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d0_s3

Stems unbranched, 0.4–1.7 dm, glabrous or pubescent, trichomes simple, 0.2–0.9 mm, and fewer, 2–4-rayed, 0.1–0.6 mm.

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d0_s4

petiolate;

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d0_s7

petiole (base thickened), ciliate throughout;

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d0_s8

blade linear to linear-oblanceolate, 0.5–1.5 (–2.2) cm × 1–2.5 (–4) mm, margins entire (thickened, ciliate, trichomes simple and 2-rayed, to 1.1 mm), surfaces pubescent, abaxially with simple trichomes, 0.3–1 mm, and 2–4-rayed ones, 0.1–0.5 mm, adaxially similar, or with only simple trichomes, (midvein prominent, thickened).

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d0_s9

Cauline leaves 0.

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d0_s10

Racemes (2–) 4–12-flowered, ebracteate, usually elongated in fruit;

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d0_s11

Fruiting pedicels divaricate-ascending, usually straight, rarely curved upward, 6–13 mm, glabrous or pubescent as stem.

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d0_s13

Flowers: sepals ovate, 2–3.5 mm, pubescent, (trichomes simple and short-stalked, 2-rayed);

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d0_s14

petals pale to bright-yellow, obovate, 3.5–6 × 2–3.5 mm;

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d0_s15

anthers ovate, 0.4–0.5 mm.

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d0_s16

Fruits elliptic to lanceolate, 5–11 × 3–4 mm, plane, flattened;

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d0_s17

valves glabrous or puberulent with simple and short-stalked, 2-rayed trichomes, 0.07–0.3 mm;

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d0_s18

ovules 12–20 per ovary;

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d0_s19

style 0.4–0.9 mm (stigma about as wide as style).

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d0_s20

Seeds ovoid, 1.2–1.4 × 0.8–1 mm.

1 reference

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

0.4

1.7

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d0_s4

glabrous

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d0_s4

pubescent

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d0_s4

leaf

arrangement

rosulate

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d0_s7

leaf

petiolate

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d0_s7

leaf petiole

ciliate

throughout

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d0_s8

linear

linear-oblanceolate

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d0_s9

atypical length

1.5

2.2

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d0_s9

0.5

1.5

1 reference

d0_s9

atypical width

2.5

4

1 reference

d0_s9

1

2.5

1 reference

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

not

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d0_s13

leaf rachis

glabrous

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d0_s13

leaf rachis

pubescent

1 reference

d0_s13

orientation

divaricate-ascending

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d0_s13

course

straight

usually

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d0_s13

course

curved

rarely

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d0_s13

6

13

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d0_s13

glabrous

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d0_s13

pubescent

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d0_s13

inflorescence flower sepal

ovate

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d0_s14

inflorescence flower sepal

2

3.5

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d0_s14

inflorescence flower sepal

pubescent

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d0_s14

coloration

pale

bright-yellow

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d0_s15

obovate

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d0_s15

3.5

6

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d0_s15

2

3.5

1 reference

d0_s15

inflorescence flower anther

ovate

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d0_s16

inflorescence flower anther

0.4

0.5

1 reference

d0_s16

elliptic

lanceolate

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d0_s17

5

11

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d0_s17

3

4

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d0_s17

plane

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d0_s17

flattened

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d0_s17

inflorescence flower gynoecium pistil ovule

quantity

12

20

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d0_s19

inflorescence flower gynoecium pistil style

0.4

0.9

1 reference

d0_s20

seed

ovoid

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d0_s21

seed

1.2

1.4

1 reference

d0_s21

seed

0.8

1

1 reference

d0_s21

simple

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d0_s4

0.2

0.9

1 reference

d0_s4

quantity

fewer

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d0_s4

0.1

0.6

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d0_s4

simple

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d0_s9

simple

only

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d0_s9

inflorescence raceme

(2-)4-12-flowered

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d0_s11

inflorescence raceme

ebracteate

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d0_s11

inflorescence raceme

elongated

usually

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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

general structure valve

0.07

0.3

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d0_s18

simple

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d0_s18

short-stalked

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