Draba crassifolia Graham (Q3507)

taxon name

Draba crassifolia

1 reference

taxon authority

Graham

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

drave à feuilles charnues (French)

1 reference

snowbed draba (English)

1 reference

Rocky Mountain draba (English)

1 reference

snowbed whitlowgrass (English)

1 reference

Rocky Mountain whitlowgrass (English)

1 reference

VasCan taxon numeric id

4000

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.

Greenland, GL

present

native

1 reference

Böcher, T.W., B. Fredskild, K. Holmen & K. Jakobsen. 1978. Grønlands Flora. P. Haase & Søns Forlag, København. 326 pp.

Labrador, CA

present

native

1 reference

Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm

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-QC

present

native

1 reference

Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.

CA-YT

present

native

1 reference

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

Greenland

1 reference

CA-AB

Alta.

1 reference

CA-BC

B.C.

1 reference

CA-NL

Nfld. and Labr. (Labr.)

1 reference

CA-NT

N.W.T.

1 reference

CA-NU

Nunavut

1 reference

CA-QC

Que.

1 reference

CA-YT

Yukon

1 reference

US-AK

Alaska

1 reference

US-AZ

Ariz.

1 reference

US-CO

Colo.

1 reference

US-ID

Idaho

1 reference

US-MT

Mont.

1 reference

US-NV

Nev.

1 reference

US-NM

N.Mex.

1 reference

US-UT

Utah

1 reference

US-WA

Wash.

1 reference

US-WY

Wyo.

1 reference

n Europe (Norway)

1 reference

n Europe (Sweden)

1 reference

parent taxon

Draba Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3050115

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jun–Sep.

1 reference

taxon habitat

rock outcrops

1 reference

talus

1 reference

subalpine meadows

1 reference

alpine summits

1 reference

tundra

1 reference

bare snow-melt areas

1 reference

elevation

(50-)1000-4300 m

measurement range from

1,000 meter

measurement range to

4,300 meter

1 reference

taxon description fragment

usually scapose.

1 reference

d0_s3

Stems unbranched or, rarely, branched distally, (0.1–) 0.3–1.1 (–1.5) dm, usually glabrous throughout, rarely pubescent proximally, trichomes simple, 0.3–0.7 mm.

1 reference

d0_s4

petiolate;

1 reference

d0_s6

petiole ciliate throughout;

1 reference

d0_s7

blade oblanceolate to obovate, (0.2–) 0.5–2.5 (–3) cm × (1–) 2–4 (–6) mm, margins usually entire, rarely denticulate, (sometimes ciliate), surfaces glabrous or sparsely pubescent, with simple and 2-rayed trichomes, 0.3–0.9 mm.

1 reference

d0_s8

sessile;

1 reference

d0_s10

blade oblong to ovate, margins entire, surfaces glabrous.

1 reference

d0_s11

Racemes (2–) 4–15 (–25) -flowered, ebracteate, elongated in fruit;

1 reference

d0_s12

Fruiting pedicels horizontal to divaricate-ascending, usually straight, rarely curved upward, 3–8 (–10) mm (subequaling or shorter than fruit), glabrous.

1 reference

d0_s14

sepals (green or purplish), ovate, 1–2 mm, glabrous;

1 reference

d0_s16

petals yellow (often fading white), oblanceolate, 1.5–2.5 (–3) × 0.5–1 mm;

1 reference

d0_s17

anthers ovate, 0.15–0.25 mm.

1 reference

d0_s18

Fruits usually narrowly elliptic to lanceolate, rarely linear-lanceolate, plane, flattened, (3–) 5–10 × 1.5–2.5 mm;

1 reference

d0_s19

valves glabrous;

1 reference

d0_s20

ovules (8–) 16–24 (–30) per ovary;

1 reference

d0_s21

style 0.02–0.1 mm.

1 reference

d0_s22

Seeds elliptic, 0.7–0.8 × 0.4–0.5 mm. 2n = 40.

1 reference

d0_s23

morphology statement

stem caudex

branched

1 reference

d0_s3

stem caudex

scapose

usually

1 reference

d0_s3

unbranched

1 reference

d0_s4

,

1 reference

d0_s4

branched

distally

1 reference

d0_s4

atypical some measurement

0.1

0.3

1 reference

d0_s4

atypical some measurement

1.1

1.5

1 reference

d0_s4

0.3

1.1

1 reference

d0_s4

glabrous

usually; throughout

1 reference

d0_s4

pubescent

rarely; proximally

1 reference

d0_s4

arrangement

rosulate

1 reference

d0_s6

petiolate

1 reference

d0_s6

leaf petiole

ciliate

throughout

1 reference

d0_s7

oblanceolate

obovate

1 reference

d0_s8

0.2

0.5

1 reference

d0_s8

2.5

3

1 reference

d0_s8

0.5

2.5

1 reference

d0_s8

atypical width

1

2

1 reference

d0_s8

atypical width

4

6

1 reference

d0_s8

2

4

1 reference

d0_s8

inflorescence palea margin

entire

usually

1 reference

d0_s8

inflorescence palea margin

denticulate

rarely

1 reference

d0_s8

presence

absent

1 reference

d0_s10

quantity

1

rarely

1 reference

d0_s10

sessile

1 reference

d0_s10

oblong

ovate

1 reference

d0_s11

inflorescence palea margin

entire

1 reference

d0_s11

flexuous

slightly

1 reference

d0_s14

straight

1 reference

d0_s14

glabrous

1 reference

d0_s14

orientation

horizontal

divaricate-ascending

1 reference

d0_s14

straight

usually

1 reference

d0_s14

curved

rarely

1 reference

d0_s14

atypical some measurement

8

10

1 reference

d0_s14

3

8

1 reference

d0_s14

glabrous

1 reference

d0_s14

inflorescence flower sepal

ovate

1 reference

d0_s16

inflorescence flower sepal

1

2

1 reference

d0_s16

inflorescence flower sepal

glabrous

1 reference

d0_s16

coloration

yellow

1 reference

d0_s17

oblanceolate

1 reference

d0_s17

2.5

3

1 reference

d0_s17

1.5

2.5

1 reference

d0_s17

0.5

1

1 reference

d0_s17

inflorescence flower anther

ovate

1 reference

d0_s18

inflorescence flower anther

0.15

0.25

1 reference

d0_s18

usually narrowly elliptic

lanceolate

1 reference

d0_s19

linear-lanceolate

rarely

1 reference

d0_s19

plane

1 reference

d0_s19

flattened

1 reference

d0_s19

3

5

1 reference

d0_s19

5

10

1 reference

d0_s19

1.5

2.5

1 reference

d0_s19

inflorescence flower gynoecium pistil ovule

atypical quantity

8

16

1 reference

d0_s21

inflorescence flower gynoecium pistil ovule

atypical quantity

24

30

1 reference

d0_s21

inflorescence flower gynoecium pistil ovule

quantity

16

24

1 reference

d0_s21

inflorescence flower gynoecium pistil style

0.02

0.1

1 reference

d0_s22

seed

arrangement

elliptic

1 reference

d0_s23

seed

0.7

0.8

1 reference

d0_s23

seed

0.4

0.5

1 reference

d0_s23

chromosome

quantity

40

1 reference

d0_s23

tissue epidermis armature trichome

simple

1 reference

d0_s4

tissue epidermis armature trichome

0.3

0.7

1 reference

d0_s4

tissue epidermis armature trichome

simple

1 reference

d0_s8

inflorescence raceme

(2-)4-15(-25)-flowered

1 reference

d0_s12

inflorescence raceme

ebracteate

1 reference

d0_s12

inflorescence raceme

elongated

1 reference

d0_s12

general structure valve

glabrous

1 reference