Draba paysonii J. F. Macbride (Q3540)

taxon name

Draba paysonii

1 reference

taxon authority

J.F. Macbride

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taxon rank

species

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taxon status

accepted

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common name

Payson's draba (English)

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Payson's whitlowgrass (English)

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drave de Payson (French)

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VasCan taxon numeric id

9695

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establishment of distribution

distribution

CA-AB

data format or standard

ISO3166-2

occurrence status

present

native

1 reference

publication

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

US-MT

data format or standard

ISO3166-2

original value

Mont.

1 reference

US-WY

data format or standard

ISO3166-2

original value

Wyo.

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parent taxon

Draba Linnaeus

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taxon habit

herb

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GBIF taxon key

3050208

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Jun–Jul.

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taxon habitat

limestone rock outcrops

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talus

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soil

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calcareous

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elevation

1800-3500 m

measurement range from

1,800 meter

measurement range to

3,500 meter

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special status

E

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taxon description fragment

scapose.

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d0_s3

Stems unbranched, 0.05–0.3 dm, densely pubescent throughout, trichomes simple, 0.4–1.3 mm, and stalked, 2–5-rayed, stellate, 0.1–0.6 mm.

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d0_s4

sessile;

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d0_s7

blade linear to linear-oblanceolate, 0.4–1.2 cm × 0.8–1.5 mm, margins entire, (ciliate, trichomes simple and spurred, (0.4–) 0.6–1.4 mm), surfaces pubescent, abaxially (dense) with stalked, 2–12-rayed trichomes, 0.1–0.8 mm, adaxially with simple and 2-rayed ones, 0.3–1 mm, (midvein prominent).

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d0_s8

Cauline leaves 0.

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d0_s9

Racemes 2–7-flowered, ebracteate, slightly elongated in fruit;

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d0_s10

Fruiting pedicels divaricate-ascending, straight, 3–9 mm, pubescent, trichomes simple (0.4–1.4 mm), and stalked, 2–5-rayed (0.1–0.6 mm).

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d0_s12

Flowers: sepals oblong, 2.8–3.5 mm, pubescent, (trichomes simple and short-stalked, 2–4-rayed);

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d0_s13

petals pale-yellow, oblanceolate to spatulate, (4–) 5–6 × (1.5–) 2–3 mm;

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d0_s14

anthers oblong, 0.5–0.7 mm.

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d0_s15

Fruits often broadly ovoid to lanceolate, plane, slightly inflated basally, (5–) 6–9 × (3–) 3.7–5 mm;

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d0_s16

valves densely pubescent, trichomes simple and 2-rayed, (0.2–) 0.4–1 mm, (occasionally with fewer, smaller, 4-rayed or 5-rayed ones);

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d0_s17

ovules 8–12 per ovary;

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d0_s18

style (0.6–) 0.8–1.2 mm.

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d0_s19

Seeds oblong, 1.7–2.2 × 1–1.4 mm.

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d0_s20

morphology statement

stem caudex

branched

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d0_s3

stem caudex

scapose

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d0_s3

stem

unbranched

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d0_s4

stem

0.05

0.3

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d0_s4

stem

pubescent

densely; throughout

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d0_s4

leaf

arrangement

rosulate

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d0_s7

leaf

sessile

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d0_s7

leaf blade

linear

linear-oblanceolate

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d0_s8

leaf blade

0.4

1.2

1 reference

d0_s8

leaf blade

0.8

1.5

1 reference

d0_s8

inflorescence palea margin

entire

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d0_s8

inflorescence palea margin

ciliate

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d0_s8

leaf

presence

absent

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d0_s9

leaf rachis

course

flexuous

not

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d0_s12

leaf rachis

pubescent

1 reference

d0_s12

inflorescence flower sepal

oblong

1 reference

d0_s13

inflorescence flower sepal

2.8

3.5

1 reference

d0_s13

inflorescence flower sepal

pubescent

1 reference

d0_s13

coloration

pale-yellow

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d0_s14

oblanceolate

spatulate

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d0_s14

atypical length

4

5

1 reference

d0_s14

5

6

1 reference

d0_s14

atypical width

1.5

2

1 reference

d0_s14

2

3

1 reference

d0_s14

inflorescence flower anther

oblong

1 reference

d0_s15

inflorescence flower anther

0.5

0.7

1 reference

d0_s15

often broadly ovoid

lanceolate

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d0_s16

plane

1 reference

d0_s16

inflated

slightly; basally

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d0_s16

atypical length

5

6

1 reference

d0_s16

6

9

1 reference

d0_s16

atypical width

3

3.7

1 reference

d0_s16

3.7

5

1 reference

d0_s16

inflorescence flower gynoecium pistil ovule

quantity

8

12

1 reference

d0_s18

inflorescence flower gynoecium pistil style

atypical some measurement

0.6

0.8

1 reference

d0_s19

inflorescence flower gynoecium pistil style

0.8

1.2

1 reference

d0_s19

seed

oblong

1 reference

d0_s20

seed

1.7

2.2

1 reference

d0_s20

seed

1

1.4

1 reference

d0_s20

simple

1 reference

d0_s4

0.4

1.3

1 reference

d0_s4

stalked

1 reference

d0_s4

arrangement

stellate

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d0_s4

0.1

0.6

1 reference

d0_s4

simple

1 reference

d0_s8

spurred

1 reference

d0_s8

atypical some measurement

0.4

0.6

1 reference

d0_s8

0.6

1.4

1 reference

d0_s8

stalked

1 reference

d0_s8

inflorescence raceme

2-7-flowered

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d0_s10

inflorescence raceme

ebracteate

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d0_s10

inflorescence raceme

elongated

slightly

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d0_s10

simple

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d0_s12

stalked

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d0_s12

general structure valve

pubescent

densely

1 reference

d0_s17

simple

1 reference

d0_s17

atypical some measurement

0.2

0.4

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d0_s17

0.4

1

1 reference