Draba oligosperma Hooker (Q3524)

taxon name

Draba oligosperma

1 reference

taxon authority

Hooker

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

drave à fruits groupés (French)

1 reference

few-seed draba (English)

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glacier draba (English)

1 reference

few-seed whitlowgrass (English)

1 reference

VasCan taxon numeric id

4020

1 reference

distribution

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-BC

present

native

1 reference

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-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

Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L., McJannet, R.L., Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad & J.G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.

CA-YT

present

native

1 reference

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

CA-AB

Alta.

1 reference

CA-BC

B.C.

1 reference

CA-NT

N.W.T.

1 reference

CA-NU

Nunavut

1 reference

CA-YT

Yukon

1 reference

US-AK

Alaska

1 reference

US-CA

Calif.

1 reference

US-CO

Colo.

1 reference

US-ID

Idaho

1 reference

US-MT

Mont.

1 reference

US-NV

Nev.

1 reference

US-OR

Oreg.

1 reference

US-WY

Wyo.

1 reference

parent taxon

Draba Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3049989

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering May–Jul.

1 reference

taxon habitat

rock outcrops

1 reference

talus

1 reference

gravel benches

1 reference

tundra

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elevation

200-3900 m

measurement range from

200 meter

measurement range to

3,900 meter

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special status

F

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E

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taxon description fragment

scapose.

1 reference

d0_s3

Stems unbranched, (0.1–) 0.2–0.6 (–1) dm, glabrous throughout or pubescent, trichomes sessile, pectinate, 0.1–0.3 mm, (their length parallel to long axis of stem).

1 reference

d0_s4

sessile;

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d0_s6

blade linear to linear-oblanceolate, (0.2–) 0.4–1.1 (–1.5) cm × 0.4–1.5 (–1.8) mm, margins entire, (not or, rarely, ciliate, trichomes simple, 0.2–0.4 mm), surfaces pubescent with sessile, pectinate trichomes, 0.1–0.4 mm, (their long axis parallel to prominent abaxial midvein), sometimes glabrous adaxially.

1 reference

d0_s7

Cauline leaves 0.

1 reference

d0_s8

Racemes 4–12 (–17) -flowered, ebracteate, elongated in fruit;

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d0_s9

Fruiting pedicels divaricate-ascending, straight, (2–) 3–10 (–13) mm, glabrous or sparsely pubescent, trichomes pectinate.

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d0_s11

Flowers: sepals ovate, 1.5–3 mm, glabrous or sparsely pubescent, (trichomes pectinate, 2-rayed, or simple);

1 reference

d0_s12

petals usually yellow, rarely creamy white, obovate, 2.5–4 × 1.5–3 mm;

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d0_s13

anthers ovate, 0.4–0.5 mm, (not producing pollen).

1 reference

d0_s14

Fruits ovoid to lanceolate, plane, inflated at least basally, sometimes slightly flattened distally, 3–6 (–7) × 2–3.5 (–4) mm;

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d0_s15

valves usually puberulent, rarely glabrous, trichomes simple and sessile, often unequally 2-rayed, 0.07–0.35 mm;

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d0_s16

ovules 6–12 per ovary;

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d0_s17

style 0.1–0.8 (–1.1) mm.

1 reference

d0_s18

Seeds ovoid, 1.1–1.5 × 0.7–1 mm. 2n = 32, 64.

1 reference

d0_s19

morphology statement

stem caudex

branched

1 reference

d0_s3

stem caudex

scapose

1 reference

d0_s3

unbranched

1 reference

d0_s4

atypical some measurement

0.1

0.2

1 reference

d0_s4

atypical some measurement

0.6

1

1 reference

d0_s4

0.2

0.6

1 reference

d0_s4

glabrous

throughout

1 reference

d0_s4

pubescent

1 reference

d0_s4

leaf

arrangement

rosulate

1 reference

d0_s6

leaf

sessile

1 reference

d0_s6

linear

linear-oblanceolate

1 reference

d0_s7

atypical length

0.2

0.4

1 reference

d0_s7

atypical length

1.1

1.5

1 reference

d0_s7

0.4

1.1

1 reference

d0_s7

atypical width

1.5

1.8

1 reference

d0_s7

0.4

1.5

1 reference

d0_s7

inflorescence palea margin

entire

1 reference

d0_s7

leaf

presence

absent

1 reference

d0_s8

leaf rachis

course

flexuous

not

1 reference

d0_s11

leaf rachis

glabrous

1 reference

d0_s11

leaf rachis

pubescent

1 reference

d0_s11

ovate

1 reference

d0_s12

1.5

3

1 reference

d0_s12

glabrous

1 reference

d0_s12

pubescent

sparsely

1 reference

d0_s12

coloration

yellow

usually

1 reference

d0_s13

coloration

creamy white

rarely

1 reference

d0_s13

obovate

1 reference

d0_s13

2.5

4

1 reference

d0_s13

1.5

3

1 reference

d0_s13

inflorescence flower anther

ovate

1 reference

d0_s14

inflorescence flower anther

0.4

0.5

1 reference

d0_s14

ovoid

lanceolate

1 reference

d0_s15

plane

1 reference

d0_s15

inflated

at-least basally; basally

1 reference

d0_s15

flattened

sometimes slightly; distally

1 reference

d0_s15

atypical length

6

7

1 reference

d0_s15

3

6

1 reference

d0_s15

atypical width

3.5

4

1 reference

d0_s15

2

3.5

1 reference

d0_s15

inflorescence flower gynoecium pistil ovule

quantity

6

12

1 reference

d0_s17

inflorescence flower gynoecium pistil style

atypical some measurement

0.8

1.1

1 reference

d0_s18

inflorescence flower gynoecium pistil style

0.1

0.8

1 reference

d0_s18

seed

ovoid

1 reference

d0_s19

seed

1.1

1.5

1 reference

d0_s19

seed

0.7

1

1 reference

d0_s19

chromosome

quantity

32

1 reference

d0_s19

chromosome

quantity

64

1 reference

d0_s19

sessile

1 reference

d0_s4

pectinate

1 reference

d0_s4

0.1

0.3

1 reference

d0_s4

sessile

1 reference

d0_s7

pectinate

1 reference

d0_s7

inflorescence raceme

4-12(-17)-flowered

1 reference

d0_s9

inflorescence raceme

ebracteate

1 reference

d0_s9

inflorescence raceme

elongated

1 reference

d0_s9

pectinate

1 reference

d0_s11

general structure valve

puberulent

usually

1 reference

d0_s16

general structure valve

glabrous

rarely

1 reference

d0_s16

simple

1 reference

d0_s16

sessile

1 reference

d0_s16

0.07

0.35

1 reference