Difference between revisions of "Draba porsildii G. A. Mulligan (Q3528) "

taxon name

Draba porsildii

1 reference

taxon authority

G.A. Mulligan

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

drave de Porsild (French)

1 reference

Porsild's draba (English)

1 reference

Porsild's whitlowgrass (English)

1 reference

VasCan taxon numeric id

4024

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-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-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

Al-Shebaz, I.A. & G.A. Mulligan. 2013. New or noteworthy species of Draba (Brassicaceae) from Canada and Alaska. Harvard Papers in Botany 18: 101-124.y

CA-AB

Alta.

1 reference

CA-YT

Yukon

1 reference

US-AK

Alaska

1 reference

US-MT

Mont.

1 reference

US-WY

Wyo.

1 reference

parent taxon

Draba Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3049708

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

meadows

1 reference

gravel slopes

1 reference

elevation

600-3000 m

measurement range from

600 meter

measurement range to

3,000 meter

1 reference

special status

E

1 reference

taxon description fragment

often scapose.

1 reference

d0_s3

Stems unbranched, 0.2–1.2 dm, sparsely pubescent proximally, trichomes short-stalked, 3–5- rayed, (non-crisped), 0.2–0.4 mm, glabrous distally.

1 reference

d0_s4

subsessile or shortly petiolate;

1 reference

d0_s6

petiole base and margin ciliate proximally, (trichomes simple, subsetiform, stiff, 0.3–0.9 mm);

1 reference

d0_s7

blade oblanceolate to obovate, 0.4–1.5 cm × 1–3 mm, margins entire, surfaces pubescent, abaxially with stalked, 6–12-rayed, (non-crisped) trichomes, 0.2–0.5 mm, (midvein obscure), adaxially similar, or with simple trichomes on proximal 1/2.

1 reference

d0_s8

sessile;

1 reference

d0_s10

blade oblong to lanceolate, margins entire, surfaces pubescent as basal.

1 reference

d0_s11

Racemes 3–13-flowered, ebracteate, elongated in fruit;

1 reference

d0_s12

Fruiting pedicels divaricate-ascending, straight, 1–4 (–8) mm, glabrous.

1 reference

d0_s14

Flowers: sepals ovate, 1.5–2 mm, pubescent, (trichomes simple and 2-rayed);

1 reference

d0_s15

petals white, spatulate, 2–4 × 1–1.7 mm;

1 reference

d0_s16

anthers ovate, ca. 0.2 mm.

1 reference

d0_s17

Fruits ovate to oblong, plane, flattened, 4–7.5 × 1.7–3 mm;

1 reference

d0_s18

valves glabrous;

1 reference

d0_s19

ovules 12–16 per ovary;

1 reference

d0_s20

style 0.1–0.3 (–0.5) mm.

1 reference

d0_s21

Seeds ovoid, 0.7–1 × 0.5–0.6 mm. 2n = 32.

1 reference

d0_s22

morphology statement

stem caudex

branched

1 reference

d0_s3

stem caudex

scapose

often

1 reference

d0_s3

stem

unbranched

1 reference

d0_s4

stem

0.2

1.2

1 reference

d0_s4

stem

pubescent

sparsely; proximally

1 reference

d0_s4

arrangement

rosulate

1 reference

d0_s6

subsessile

1 reference

d0_s6

petiolate

shortly

1 reference

d0_s6

leaf petiole

ciliate

proximally

1 reference

d0_s7

inflorescence phyllaries base

ciliate

proximally

1 reference

d0_s7

inflorescence palea margin

ciliate

proximally

1 reference

d0_s7

oblanceolate

obovate

1 reference

d0_s8

0.4

1.5

1 reference

d0_s8

1

3

1 reference

d0_s8

inflorescence palea margin

entire

1 reference

d0_s8

presence

absent

1 reference

d0_s10

quantity

1

1 reference

d0_s10

sessile

1 reference

d0_s10

oblong

lanceolate

1 reference

d0_s11

inflorescence palea margin

entire

1 reference

d0_s11

course

flexuous

not

1 reference

d0_s14

glabrous

1 reference

d0_s14

orientation

divaricate-ascending

1 reference

d0_s14

course

straight

1 reference

d0_s14

atypical some measurement

4

8

1 reference

d0_s14

1

4

1 reference

d0_s14

glabrous

1 reference

d0_s14

inflorescence flower sepal

ovate

1 reference

d0_s15

inflorescence flower sepal

1.5

2

1 reference

d0_s15

inflorescence flower sepal

pubescent

1 reference

d0_s15

coloration

white

1 reference

d0_s16

spatulate

1 reference

d0_s16

2

4

1 reference

d0_s16

1

1.7

1 reference

d0_s16

inflorescence flower anther

ovate

1 reference

d0_s17

inflorescence flower anther

0.2

1 reference

d0_s17

ovate

oblong

1 reference

d0_s18

plane

1 reference

d0_s18

flattened

1 reference

d0_s18

4

7.5

1 reference

d0_s18

1.7

3

1 reference

d0_s18

inflorescence flower gynoecium pistil ovule

quantity

12

16

1 reference

d0_s20

inflorescence flower gynoecium pistil style

atypical some measurement

0.3

0.5

1 reference

d0_s21

inflorescence flower gynoecium pistil style

0.1

0.3

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

32

1 reference

d0_s22

short-stalked

1 reference

d0_s4

0.2

0.4

1 reference

d0_s4

glabrous

distally

1 reference

d0_s4

stalked

1 reference

d0_s8

simple

1 reference

d0_s8

inflorescence raceme

3-13-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