Draba lactea Adams (Q3516)

taxon name

Draba lactea

1 reference

taxon authority

Adams

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

drave laiteuse (French)

1 reference

milky draba (English)

1 reference

milky whitlowgrass (English)

1 reference

VasCan taxon numeric id

4011

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-MB

present

native

1 reference

Manitoba Checklist, 2002

CA-ON

present

native

1 reference

Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.

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.

Newfoundland, 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

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-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-NL

Nfld. and 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

Europe (n Finland)

1 reference

Europe (Norway)

1 reference

Europe (w Sweden)

1 reference

Asia (Russian Far East)

1 reference

Asia (c)

1 reference

Asia (n Siberia)

1 reference

Atlantic Islands (Iceland)

1 reference

circumpolar

1 reference

parent taxon

Draba Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3049757

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jun–Aug.

1 reference

taxon habitat

rock outcrops

1 reference

talus

1 reference

rocky hillsides

1 reference

ridges

1 reference

open gravelly areas

1 reference

seepage swales

1 reference

meadows

1 reference

elevation

0-2000 m

1 reference

taxon description fragment

scapose.

1 reference

d0_s3

Stems unbranched, 0.2–1.1 (–1.5) dm,glabrous throughout or sparsely pubescent proximally, trichomes short-stalked, substellate, 2–8-rayed, (non-crisped), 0.5–0.3 mm.

1 reference

d0_s4

petiolate;

1 reference

d0_s6

petiole (persistent, strongly thickened), margin usually ciliate, (trichomes usually simple and 2-rayed, 0.3–1 mm);

1 reference

d0_s7

blade oblanceolate to obovate, (0.3–) 0.5–1.1 (–1.7) cm × (1–) 2–6 mm, margins usually entire, rarely denticulate, (sometimes ciliate), surfaces sometimes pubescent with stellate to subdendritic, 4–12-rayed, (non-crisped) trichomes, 0.1–0.4 mm, (midvein persistent, prominent, strongly thickened).

1 reference

d0_s8

Cauline leaves 0 (or, rarely, 1 as a bract).

1 reference

d0_s9

Racemes 2–8 (–12) -flowered, ebracteate, elongated in fruit;

1 reference

d0_s10

Fruiting pedicels divaricate-ascending, straight, (1–) 2–5 (–10) mm, glabrous.

1 reference

d0_s12

Flowers: sepals ovate, 1.8–3 mm, usually glabrous, rarely sparsely pubescent subapically, (trichomes simple);

1 reference

d0_s13

petals white, obovate, 3–5 × 1.8–3 mm;

1 reference

d0_s14

anthers ovate, 0.3–0.4 mm.

1 reference

d0_s15

Fruits oblong to elliptic-lanceolate or ovate to broadly so, plane, flattened, 4–8 × (1.5–) 2–3 mm;

1 reference

d0_s16

valves glabrous;

1 reference

d0_s17

ovules (10–) 14–22 (–26) per ovary;

1 reference

d0_s18

style 0.1–0.4 mm.

1 reference

d0_s19

Seeds ovoid, 0.8–1.1 × 0.5–0.6 mm. 2n = 32, 48.

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

1.1

1.5

1 reference

d0_s4

0.2

1.1

1 reference

d0_s4

glabrous

throughout

1 reference

d0_s4

pubescent

sparsely; sparsely; proximally

1 reference

d0_s4

leaf

arrangement

rosulate

1 reference

d0_s6

leaf

petiolate

1 reference

d0_s6

inflorescence palea margin

ciliate

usually

1 reference

d0_s7

oblanceolate

obovate

1 reference

d0_s8

atypical length

0.3

0.5

1 reference

d0_s8

atypical length

1.1

1.7

1 reference

d0_s8

0.5

1.1

1 reference

d0_s8

atypical width

1

2

1 reference

d0_s8

2

6

1 reference

d0_s8

inflorescence palea margin

entire

usually

1 reference

d0_s8

inflorescence palea margin

denticulate

rarely

1 reference

d0_s8

leaf

presence

absent

1 reference

d0_s9

course

flexuous

not

1 reference

d0_s12

glabrous

usually

1 reference

d0_s12

pubescent

rarely sparsely

1 reference

d0_s12

orientation

divaricate-ascending

1 reference

d0_s12

course

straight

1 reference

d0_s12

atypical some measurement

1

2

1 reference

d0_s12

atypical some measurement

5

10

1 reference

d0_s12

2

5

1 reference

d0_s12

glabrous

1 reference

d0_s12

ovate

1 reference

d0_s13

1.8

3

1 reference

d0_s13

glabrous

usually

1 reference

d0_s13

pubescent

rarely sparsely; subapically

1 reference

d0_s13

coloration

white

1 reference

d0_s14

obovate

1 reference

d0_s14

3

5

1 reference

d0_s14

1.8

3

1 reference

d0_s14

inflorescence flower anther

ovate

1 reference

d0_s15

inflorescence flower anther

0.3

0.4

1 reference

d0_s15

oblong

elliptic-lanceolate or ovate

1 reference

d0_s16

plane

broadly

1 reference

d0_s16

flattened

1 reference

d0_s16

4

8

1 reference

d0_s16

atypical width

1.5

2

1 reference

d0_s16

2

3

1 reference

d0_s16

inflorescence flower gynoecium pistil ovule

atypical quantity

10

14

1 reference

d0_s18

inflorescence flower gynoecium pistil ovule

atypical quantity

22

26

1 reference

d0_s18

inflorescence flower gynoecium pistil ovule

quantity

14

22

1 reference

d0_s18

inflorescence flower gynoecium pistil style

0.1

0.4

1 reference

d0_s19

seed

ovoid

1 reference

d0_s20

seed

0.8

1.1

1 reference

d0_s20

seed

0.5

0.6

1 reference

d0_s20

chromosome

quantity

32

1 reference

d0_s20

chromosome

quantity

48

1 reference

d0_s20

short-stalked

1 reference

d0_s4

substellate

1 reference

d0_s4

0.5

0.3

1 reference

d0_s4

arrangement

stellate

1 reference

d0_s8

subdendritic

1 reference

d0_s8

inflorescence raceme

2-8(-12)-flowered

1 reference

d0_s10

inflorescence raceme

ebracteate

1 reference

d0_s10

inflorescence raceme

elongated

1 reference

d0_s10

general structure valve

glabrous

1 reference