Draba simmonsii Elven &amp; Al-Shehbaz (Q3542)

taxon name

Draba simmonsii

1 reference

taxon authority

Elven & Al-Shebaz

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taxon rank

species

1 reference

taxon status

accepted

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common name

drave de Simmons (French)

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Simmons' draba (English)

1 reference

Simmonds' whitlowgrass (English)

1 reference

VasCan taxon numeric id

9753

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distribution

CA-NT

establishment of distribution

occurrence status

present

native

1 reference

publication

FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1007&flora_id=1

CA-NU

establishment of distribution

occurrence status

present

native

1 reference

publication

Elven, R. & I. Al-Shebaz. 2008. Draba simmonsii (Brassicaceae), a new species of the D. micropetala complex from the Canadian Arctic Archipelago. Novon 18: 325-329. http://www.jstor.org/stable/20406305

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

3049727

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering late Jun–Jul.

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taxon habitat

dry open ground

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open patches

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meadows

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heath vegetation

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plains

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elevation

0-100 m

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taxon description fragment

scapose.

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d0_s2

Stems unbranched, (0.15–) 0.3–1.1 (–1.3) dm, often pubescent throughout, sometimes sparsely pubescent distally, trichomes stalked, 2–4-rayed, and fewer, simple ones, 0.1–0.3 (–0.6) mm.

1 reference

d0_s3

petiolate;

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d0_s6

petiole (base somewhat thickened), margin ciliate, (trichomes simple, 0.5–1 mm);

1 reference

d0_s7

blade oblong to oblong-lanceolate, 0.5–1.6 cm × 2–5 mm, margins entire (apex subacute to obtuse), surfaces pubescent throughout or glabrous adaxially, with simple and stalked, 2–4 (–6) -rayed, stellate to subdendritic trichomes.

1 reference

d0_s8

Cauline leaves 0.

1 reference

d0_s9

Racemes (2–) 4–10 (–14) -flowered, ebracteate, slightly elongated in fruit;

1 reference

d0_s10

Fruiting pedicels divaricate, straight, 2.5–10 mm, pubescent as stem.

1 reference

d0_s12

Flowers: sepals (purplish green), oblong, (2.5–) 2.8–3.5 (–3.8) mm, pubescent, (trichomes simple and sometimes short-stalked, 2-rayed);

1 reference

d0_s13

petals pale-yellow, narrowly obovate, (sides non-parallel), (3.5–) 3.8–5.5 (–5.8) × (2.5–) 2.8–4 (–4.6) mm, (emarginate);

1 reference

d0_s14

anthers ovate, ca. 0.5 mm.

1 reference

d0_s15

Fruits lanceolate, plane, slightly flattened, 5.5–9 (–11) × 2.3–3.8 mm;

1 reference

d0_s16

valves pubescent, trichomes simple, sometimes with fewer, 2-rayed ones, 0.1–0.3 mm;

1 reference

d0_s17

ovules 16–24 (–28) per ovary;

1 reference

d0_s18

style 0.1–0.3 mm (stigma as wide as style).

1 reference

d0_s19

Seeds (dark-brown), oblong-ovate, 1–1.3 × 0.7–0.8 mm.

1 reference

d0_s20

morphology statement

stem caudex

branched

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d0_s2

stem caudex

scapose

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d0_s2

unbranched

1 reference

d0_s3

0.15

0.3

1 reference

d0_s3

1.1

1.3

1 reference

d0_s3

0.3

1.1

1 reference

d0_s3

pubescent

often; throughout

1 reference

d0_s3

pubescent

sometimes sparsely; distally

1 reference

d0_s3

leaf

arrangement

rosulate

1 reference

d0_s6

leaf

petiolate

1 reference

d0_s6

inflorescence palea margin

ciliate

1 reference

d0_s7

leaf blade

oblong

oblong-lanceolate

1 reference

d0_s8

leaf blade

0.5

1.6

1 reference

d0_s8

leaf blade

2

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

arrangement

divaricate

1 reference

d0_s12

course

straight

1 reference

d0_s12

2.5

10

1 reference

d0_s12

pubescent

1 reference

d0_s12

oblong

1 reference

d0_s13

2.5

2.8

1 reference

d0_s13

3.5

3.8

1 reference

d0_s13

2.8

3.5

1 reference

d0_s13

pubescent

1 reference

d0_s13

coloration

pale-yellow

1 reference

d0_s14

obovate

narrowly

1 reference

d0_s14

atypical length

3.5

3.8

1 reference

d0_s14

atypical length

5.5

5.8

1 reference

d0_s14

3.8

5.5

1 reference

d0_s14

atypical width

2.5

2.8

1 reference

d0_s14

atypical width

4

4.6

1 reference

d0_s14

2.8

4

1 reference

d0_s14

inflorescence flower anther

ovate

1 reference

d0_s15

inflorescence flower anther

0.5

1 reference

d0_s15

lanceolate

1 reference

d0_s16

plane

1 reference

d0_s16

flattened

slightly

1 reference

d0_s16

atypical length

9

11

1 reference

d0_s16

5.5

9

1 reference

d0_s16

2.3

3.8

1 reference

d0_s16

inflorescence flower gynoecium pistil ovule

atypical quantity

24

28

1 reference

d0_s18

inflorescence flower gynoecium pistil ovule

quantity

16

24

1 reference

d0_s18

inflorescence flower gynoecium pistil style

0.1

0.3

1 reference

d0_s19

seed

oblong-ovate

1 reference

d0_s20

seed

1

1.3

1 reference

d0_s20

seed

0.7

0.8

1 reference

d0_s20

stalked

1 reference

d0_s3

quantity

fewer

1 reference

d0_s3

simple

1 reference

d0_s3

0.3

0.6

1 reference

d0_s3

0.1

0.3

1 reference

d0_s3

simple

1 reference

d0_s8

stalked

1 reference

d0_s8

arrangement

stellate

1 reference

d0_s8

subdendritic

1 reference

d0_s8

inflorescence raceme

(2-)4-10(-14)-flowered

1 reference

d0_s10

inflorescence raceme

ebracteate

1 reference

d0_s10

inflorescence raceme

elongated

slightly

1 reference

d0_s10

general structure valve

pubescent

1 reference

d0_s17

simple

1 reference

d0_s17

0.1

0.3

1 reference