Draba juvenilis Komarov (Q3514)

taxon name

Draba juvenilis

1 reference

taxon authority

Komarov

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

drave à longs pédicelles (French)

1 reference

long-stalked draba (English)

1 reference

long-stalked whitlowgrass (English)

1 reference

VasCan taxon numeric id

4010

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.

Labrador, CA

excluded

1 reference

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-YT

Yukon

1 reference

US-AK

Alaska

1 reference

e Asia (Russian Far East)

1 reference

e Asia (n Siberia)

1 reference

parent taxon

Draba Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3050216

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jun–Jul.

1 reference

taxon habitat

rock outcrops

1 reference

talus

1 reference

gravelly beaches

1 reference

stream banks

1 reference

meadows

1 reference

tundra

1 reference

elevation

0-2700 m

1 reference

taxon description fragment

often scapose.

1 reference

d0_s3

Stems unbranched, (0.3–) 0.8–2.3 (–3) dm, pubescent proximally, glabrous or sparsely pubescent distally, trichomes simple and 2–4-rayed, 0.07–0.4 mm.

1 reference

d0_s4

petiolate;

1 reference

d0_s6

petiole base ciliate, margin not ciliate, (midvein obscure, trichomes simple and 2-rayed, 0.2–0.7 mm);

1 reference

d0_s7

blade oblanceolate to lanceolate, (0.3–) 0.6–2.5 (–3.5) cm × (1–) 2–7 (–10) mm, margins entire or denticulate, surfaces pubescent, abaxially with stalked, cruciform trichomes, 0.2–0.5 mm, adaxially with cruciform and/or simple and 2-rayed ones.

1 reference

d0_s8

sessile;

1 reference

d0_s10

blade elliptic to ovate or lanceolate, margins usually entire, rarely denticulate, surfaces pubescent as basal adaxially or trichomes predominantly simple.

1 reference

d0_s11

Racemes (2–) 4–13 (–18) -flowered, ebracteate, elongated in fruit;

1 reference

d0_s12

Fruiting pedicels divaricate-ascending or ascending, straight or often curved upward (not expanded basally), (3–) 5–17 (–22) mm, usually glabrous, rarely pubescent, trichomes simple and stalked, 2–4-rayed.

1 reference

d0_s14

Flowers: sepals ovate, 2.2–3 mm, glabrous or pubescent subapically, (trichomes simple and short-stalked, 2-rayed);

1 reference

d0_s15

petals pale-yellow to creamy white, spatulate, 3–5 × 1.5–2.5 mm;

1 reference

d0_s16

anthers ovate, 0.4–0.5 mm.

1 reference

d0_s17

Fruits elliptic to oblong or linear-lanceolate, plane (not curved), flattened, 5–11 (14) × 2–3 mm;

1 reference

d0_s18

valves usually glabrous, rarely margin pubescent, trichomes simple;

1 reference

d0_s19

ovules 16–30 per ovary;

1 reference

d0_s20

style 0.2–0.7 mm.

1 reference

d0_s21

2n = 64.

1 reference

d0_s23

morphology statement

stem caudex

branched

1 reference

d0_s3

stem caudex

scapose

often

1 reference

d0_s3

unbranched

1 reference

d0_s4

atypical some measurement

0.3

0.8

1 reference

d0_s4

atypical some measurement

2.3

3

1 reference

d0_s4

0.8

2.3

1 reference

d0_s4

pubescent

proximally

1 reference

d0_s4

glabrous

1 reference

d0_s4

pubescent

sparsely; distally

1 reference

d0_s4

arrangement

rosulate

1 reference

d0_s6

petiolate

1 reference

d0_s6

inflorescence phyllaries base

ciliate

1 reference

d0_s7

ciliate

not

1 reference

d0_s7

oblanceolate

lanceolate

1 reference

d0_s8

0.3

0.6

1 reference

d0_s8

2.5

3.5

1 reference

d0_s8

0.6

2.5

1 reference

d0_s8

atypical width

1

2

1 reference

d0_s8

atypical width

7

10

1 reference

d0_s8

2

7

1 reference

d0_s8

entire

1 reference

d0_s8

denticulate

1 reference

d0_s8

quantity

0

2

1 reference

d0_s10

sessile

1 reference

d0_s10

elliptic

ovate or lanceolate

1 reference

d0_s11

entire

usually

1 reference

d0_s11

denticulate

rarely

1 reference

d0_s11

leaf rachis

course

flexuous

not

1 reference

d0_s14

leaf rachis

glabrous

1 reference

d0_s14

leaf rachis

pubescent

sparsely

1 reference

d0_s14

ovate

1 reference

d0_s15

2.2

3

1 reference

d0_s15

glabrous

1 reference

d0_s15

pubescent

subapically

1 reference

d0_s15

coloration

pale-yellow

creamy white

1 reference

d0_s16

spatulate

1 reference

d0_s16

3

5

1 reference

d0_s16

1.5

2.5

1 reference

d0_s16

inflorescence flower anther

ovate

1 reference

d0_s17

inflorescence flower anther

0.4

0.5

1 reference

d0_s17

elliptic

oblong or linear-lanceolate

1 reference

d0_s18

plane

1 reference

d0_s18

flattened

1 reference

d0_s18

14

1 reference

d0_s18

5

11

1 reference

d0_s18

2

3

1 reference

d0_s18

pubescent

1 reference

d0_s19

inflorescence flower gynoecium pistil ovule

quantity

16

30

1 reference

d0_s20

inflorescence flower gynoecium pistil style

0.2

0.7

1 reference

d0_s21

oblong

1 reference

d0_s23

1.2

1.5

1 reference

d0_s23

0.7

1.2

1 reference

d0_s23

atypical width

0.7

0.8

1 reference

d0_s23

0.4

0.7

1 reference

d0_s23

chromosome

quantity

64

1 reference

d0_s23

simple

1 reference

d0_s4

0.07

0.4

1 reference

d0_s4

stalked

1 reference

d0_s8

cruciform

1 reference

d0_s8

simple

predominantly

1 reference

d0_s11

inflorescence raceme

(2-)4-13(-18)-flowered

1 reference

d0_s12

inflorescence raceme

ebracteate

1 reference

d0_s12

inflorescence raceme

elongated

1 reference

d0_s12

simple

1 reference

d0_s14

stalked

1 reference

d0_s14

general structure valve

glabrous

usually

1 reference

d0_s19

simple

1 reference