Draba arctogena (E. Ekman) E. Ekman (Q3501)

taxon name

Draba arctogena

1 reference

taxon authority

(E. Ekman) E. Ekman

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

fellfield draba (English)

1 reference

fellfield whitlowgrass (English)

1 reference

drave des terrains dénudés (French)

1 reference

VasCan taxon numeric id

3994

1 reference

establishment of distribution

distribution

Greenland, GL

occurrence status

present

native

1 reference

publication

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

CA-NT

establishment of distribution

occurrence status

present

native

1 reference

publication

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-NU

establishment of distribution

occurrence status

present

native

1 reference

publication

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

1 reference

CA-NT

original value

N.W.T.

1 reference

CA-NU

original value

Nunavut.

1 reference

parent taxon

Draba Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3049793

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jun–Jul.

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taxon habitat

scree

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sandy hills

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gravel flats

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elevation

0-450 m

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special status

E

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taxon description fragment

sometimes scapose.

1 reference

d0_s3

Stems unbranched, 0.3–1.4 dm, pubescent throughout, trichomes simple, 0.2–1 mm, and 2–6-rayed, 0.05–0.3 mm.

1 reference

d0_s4

petiolate;

1 reference

d0_s6

petiole base and margin ciliate, (trichomes mostly simple, 0.2–1 mm);

1 reference

d0_s7

blade oblanceolate to narrowly obovate, 0.4–1.7 cm × 1.5–6 mm, margins entire or with 1–3 teeth on each side, surfaces pubescent with primarily simple trichomes, 0.3–1mm, abaxially mixed with stalked, 4–10-rayed ones, 0.1–0.2 mm.

1 reference

d0_s8

sessile;

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d0_s10

blade ovate to oblong, margins entire or toothed, surfaces pubescent as basal.

1 reference

d0_s11

Racemes 2–14 (–17) -flowered, ebracteate, elongated in fruit;

1 reference

d0_s12

Fruiting pedicels suberect to ascending, straight, 1–5 (–7) mm, pubescent, trichomes simple and 2–4-rayed.

1 reference

d0_s14

Flowers: sepals ovate, 1.8–2.5 mm, pubescent, (trichomes simple and short-stalked, 2–4-rayed);

1 reference

d0_s15

petals white, spatulate, 3–4 × 1.5–2 mm;

1 reference

d0_s16

anthers ovate, 0.3–0.4 mm.

1 reference

d0_s17

Fruits oblong, plane, flattened, 4–9 × 2–3.5 mm;

1 reference

d0_s18

valves pubescent, trichomes short-stalked, 2–4-rayed, 0.1–0.5 mm, sometimes with simple ones;

1 reference

d0_s19

ovules 20–32 per ovary;

1 reference

d0_s20

style 0.1–0.4 mm (stigma distinctly wider than style).

1 reference

d0_s21

Seeds ovoid, 0.7–1 × 0.5–0.6 mm. 2n = 48.

1 reference

d0_s22

morphology statement

stem caudex

branched

1 reference

d0_s3

stem caudex

scapose

sometimes

1 reference

d0_s3

stem

unbranched

1 reference

d0_s4

stem

0.3

1.4

1 reference

d0_s4

stem

pubescent

throughout

1 reference

d0_s4

arrangement

rosulate

1 reference

d0_s6

petiolate

1 reference

d0_s6

inflorescence phyllaries base

ciliate

1 reference

d0_s7

ciliate

1 reference

d0_s7

oblanceolate

narrowly obovate

1 reference

d0_s8

0.4

1.7

1 reference

d0_s8

1.5

6

1 reference

d0_s8

entire

1 reference

d0_s8

with 1-3 teeth

1 reference

d0_s8

presence

absent

1 reference

d0_s10

quantity

1

1 reference

d0_s10

sessile

1 reference

d0_s10

ovate

oblong

1 reference

d0_s11

entire

1 reference

d0_s11

toothed

1 reference

d0_s11

leaf rachis

course

flexuous

not

1 reference

d0_s14

leaf rachis

pubescent

1 reference

d0_s14

inflorescence flower sepal

ovate

1 reference

d0_s15

inflorescence flower sepal

1.8

2.5

1 reference

d0_s15

inflorescence flower sepal

pubescent

1 reference

d0_s15

coloration

white

1 reference

d0_s16

spatulate

1 reference

d0_s16

3

4

1 reference

d0_s16

1.5

2

1 reference

d0_s16

inflorescence flower anther

ovate

1 reference

d0_s17

inflorescence flower anther

0.3

0.4

1 reference

d0_s17

oblong

1 reference

d0_s18

plane

1 reference

d0_s18

flattened

1 reference

d0_s18

4

9

1 reference

d0_s18

2

3.5

1 reference

d0_s18

inflorescence flower gynoecium pistil ovule

quantity

20

32

1 reference

d0_s20

inflorescence flower gynoecium pistil style

0.1

0.4

1 reference

d0_s21

seed

ovoid

1 reference

d0_s22

seed

0.7

1

1 reference

d0_s22

seed

0.5

0.6

1 reference

d0_s22

chromosome

quantity

48

1 reference

d0_s22

simple

1 reference

d0_s4

0.2

1

1 reference

d0_s4

0.05

0.3

1 reference

d0_s4

simple

primarily

1 reference

d0_s8

inflorescence raceme

2-14(-17)-flowered

1 reference

d0_s12

inflorescence raceme

ebracteate

1 reference

d0_s12

inflorescence raceme

elongated

1 reference

d0_s12

simple

1 reference

d0_s14

general structure valve

pubescent

1 reference

d0_s19

short-stalked

1 reference

d0_s19

0.1

0.5

1 reference