Draba corymbosa R. Brown ex de Candolle (Q3506)

taxon name

Draba corymbosa

1 reference

taxon authority

R. Brown ex de Candolle

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

drave en corymbe (French)

1 reference

flat-top draba (English)

1 reference

Baffin Bay draba (English)

1 reference

Baffin Bay whitlowgrass (English)

1 reference

VasCan taxon numeric id

3999

1 reference

distribution

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-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.

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.

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.

Greenland

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

Europe (Norway)

1 reference

Europe (n Russia)

1 reference

e Asia (Russian Far East)

1 reference

e Asia (Siberia)

1 reference

parent taxon

Draba Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3050163

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jun–Aug.

1 reference

taxon habitat

moist tundra

1 reference

calcareous

1 reference

dolomitic rocks

1 reference

gravel beaches

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silt

1 reference

clay terraces

1 reference

elevation

0-1700 m

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taxon description fragment

scapose.

1 reference

d0_s3

Stems unbranched, (0.05–) 0.2–0.8 (–1.5) dm, pubescent throughout, trichomes simple and 2-rayed, 0.4–1 mm, with 3–5-rayed ones, 0.05–0.4 mm, (sometimes trichomes mostly simple).

1 reference

d0_s4

petiolate;

1 reference

d0_s6

petiole base and margin ciliate, (trichomes often course, simple, 0.4–1.3 mm);

1 reference

d0_s7

blade oblanceolate to obovate, 0.6–1.8 cm × 1.5–5 mm, margins entire, surfaces pubescent, abaxially with stalked, 2–6-rayed trichomes, 0.2–0.6 mm, adaxially with primarily simple and stalked, 2-rayed trichomes, to 1.1 mm, with 3–5-rayed ones, 0.2–0.4 mm.

1 reference

d0_s8

Cauline leaves 0.

1 reference

d0_s9

Racemes 2–9 (–12) -flowered, ebracteate, (corymbose), slightly elongated in fruit;

1 reference

d0_s10

Fruiting pedicels divaricate-ascending, straight or slightly curved upward, 4–11 (–16) mm, pubescent, trichomes simple and 2–4-rayed.

1 reference

d0_s12

Flowers: sepals (grayish green), broadly ovate, 2.2–3 mm, pubescent, (trichomes simple, to 1 mm, sometimes with stalked, smaller, 2–4-rayed ones);

1 reference

d0_s13

petals (broadly patent), yellow, obovate, 4–6 × 3–5 mm;

1 reference

d0_s14

anthers ovate, 0.3–0.4 mm.

1 reference

d0_s15

Fruits oblong or ovate, plane, flattened, 6–12 × 3.5–5.5 mm;

1 reference

d0_s16

valves pubescent or puberulent, trichomes simple, 0.1–0.4 mm, (sometimes with short-stalked, 2-rayed or 3-rayed ones);

1 reference

d0_s17

ovules 12–24 per ovary;

1 reference

d0_s18

style 0.6–1 mm (stigma distinctly wider than style).

1 reference

d0_s19

Seeds (brown), ovoid, 1–1.3 × 0.6–0.9 mm. 2n = 128, 144.

1 reference

d0_s20

morphology statement

stem caudex

branched

1 reference

d0_s3

stem caudex

scapose

1 reference

d0_s3

unbranched

1 reference

d0_s4

atypical some measurement

0.05

0.2

1 reference

d0_s4

atypical some measurement

0.8

1.5

1 reference

d0_s4

0.2

0.8

1 reference

d0_s4

pubescent

throughout

1 reference

d0_s4

leaf

arrangement

rosulate

1 reference

d0_s6

leaf

petiolate

1 reference

d0_s6

inflorescence phyllaries base

ciliate

1 reference

d0_s7

inflorescence palea margin

ciliate

1 reference

d0_s7

leaf blade

oblanceolate

obovate

1 reference

d0_s8

leaf blade

0.6

1.8

1 reference

d0_s8

leaf blade

1.5

5

1 reference

d0_s8

inflorescence palea margin

entire

1 reference

d0_s8

leaf

presence

absent

1 reference

d0_s9

leaf rachis

course

flexuous

not

1 reference

d0_s12

leaf rachis

pubescent

1 reference

d0_s12

ovate

broadly

1 reference

d0_s13

2.2

3

1 reference

d0_s13

pubescent

1 reference

d0_s13

coloration

yellow

1 reference

d0_s14

obovate

1 reference

d0_s14

4

6

1 reference

d0_s14

3

5

1 reference

d0_s14

inflorescence flower anther

ovate

1 reference

d0_s15

inflorescence flower anther

0.3

0.4

1 reference

d0_s15

oblong

1 reference

d0_s16

ovate

1 reference

d0_s16

plane

1 reference

d0_s16

flattened

1 reference

d0_s16

6

12

1 reference

d0_s16

3.5

5.5

1 reference

d0_s16

inflorescence flower gynoecium pistil ovule

quantity

12

24

1 reference

d0_s18

inflorescence flower gynoecium pistil style

0.6

1

1 reference

d0_s19

seed

ovoid

1 reference

d0_s20

seed

1

1.3

1 reference

d0_s20

seed

0.6

0.9

1 reference

d0_s20

chromosome

quantity

128

1 reference

d0_s20

chromosome

quantity

144

1 reference

d0_s20

simple

1 reference

d0_s4

0.4

1

1 reference

d0_s4

0.05

0.4

1 reference

d0_s4

stalked

1 reference

d0_s8

simple

primarily

1 reference

d0_s8

stalked

1 reference

d0_s8

inflorescence raceme

2-9(-12)-flowered

1 reference

d0_s10

inflorescence raceme

ebracteate

1 reference

d0_s10

inflorescence raceme

elongated

slightly

1 reference

d0_s10

simple

1 reference

d0_s12

general structure valve

pubescent

1 reference

d0_s17

general structure valve

puberulent

1 reference

d0_s17

simple

1 reference

d0_s17

0.1

0.4

1 reference