Difference between revisions of "Athysanus pusillus (Hooker) Greene (Q3494) "

taxon name

Athysanus pusillus

1 reference

taxon authority

(Hooker) Greene

1 reference

taxon rank

species

1 reference

taxon status

accepted

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common name

athysane nain (French)

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common sandweed (English)

1 reference

sandweed (English)

1 reference

VasCan taxon numeric id

3902

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

1 reference

publication

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-BC

B.C.

1 reference

US-AZ

Ariz.

1 reference

US-CA

Calif.

1 reference

US-ID

Idaho

1 reference

US-MT

Mont.

1 reference

US-NV

Nev.

1 reference

US-OR

Oreg.

1 reference

US-WA

Wash.

1 reference

Mexico (Baja California)

1 reference

parent taxon

Athysanus Greene

1 reference

taxon habit

herb

1 reference

GBIF taxon key

5373588

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Feb–Jun.

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taxon habitat

grassy slopes

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grassy glades

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woodlands

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chaparral

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sandy

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flood plains

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rock outcrops

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cliffs

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ledges

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limestone

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serpentine

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sandstone

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granitic and basaltic substrates

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elevation

0-1800 m

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special status

F

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taxon description fragment

Plants sparsely to densely pubescent proximally, sometimes glabrous distally.

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d0_s0

Stems (0.2–) 0.5–3 (–5) dm.

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d0_s1

Basal leaves: petiole 0.1–0.5 cm;

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d0_s2

blade oblanceolate, obovate, or oblong, 0.3–1.5 (–2) cm × (1–) 2–6 (–8) mm, margins entire or dentate, apex acute to obtuse, surfaces uniformly pubescent, trichomes cruciform and 3-rayed, adaxially sometimes mixed with coarse, simple ones.

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d0_s3

Cauline leaves 1–6;

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d0_s4

Fruiting pedicels slender, (1.5–) 2–4 (–6) mm.

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d0_s6

Flowers: sepals 0.5–1 × 0.3–0.7 mm;

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d0_s7

petals oblong, 1.5–3 × 0.5–1 mm;

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d0_s8

filaments 0.4–0.6 mm;

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d0_s9

anthers (0.05–) 0.1–0.2 (–0.25) mm.

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d0_s10

Fruits usually orbicular to obovate, rarely broadly oblong, 1-locular, not twisted;

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d0_s11

valves thin, veins sometimes prominent, usually pubescent, rarely glabrous, trichomes simple, to 0.5 mm, hooked (sometimes restricted to margins, or mixed with smaller, sessile, cruciform or 3-rayed ones);

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d0_s12

ovules 2 (–4) per ovary;

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d0_s14

style 0.05–0.2 mm.

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d0_s15

2n = 26.

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d0_s17

morphology statement

whole organism

pubescent

sparsely to densely; proximally

1 reference

d0_s0

whole organism

glabrous

sometimes; distally

1 reference

d0_s0

whole organism

growth form

plant

1 reference

d0_s0

stem

0.2

0.5

1 reference

d0_s1

stem

3

5

1 reference

d0_s1

stem

0.5

3

1 reference

d0_s1

leaf petiole

0.1

0.5

1 reference

d0_s2

oblanceolate

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d0_s3

obovate

1 reference

d0_s3

oblong

1 reference

d0_s3

obovate

1 reference

d0_s3

oblong

1 reference

d0_s3

atypical length

1.5

2

1 reference

d0_s3

0.3

1.5

1 reference

d0_s3

1

2

1 reference

d0_s3

6

8

1 reference

d0_s3

2

6

1 reference

d0_s3

inflorescence palea margin

entire

1 reference

d0_s3

inflorescence palea margin

dentate

1 reference

d0_s3

inflorescence flower gynoecium pistil style apex

acute

obtuse

1 reference

d0_s3

leaf

1

6

1 reference

d0_s4

variability

equaling

1 reference

d0_s6

size

smaller

1 reference

d0_s6

size

slender

1 reference

d0_s6

1.5

2

1 reference

d0_s6

4

6

1 reference

d0_s6

2

4

1 reference

d0_s6

inflorescence flower sepal

0.5

1

1 reference

d0_s7

inflorescence flower sepal

0.3

0.7

1 reference

d0_s7

inflorescence flower petal

oblong

1 reference

d0_s8

inflorescence flower petal

1.5

3

1 reference

d0_s8

inflorescence flower petal

0.5

1

1 reference

d0_s8

inflorescence flower androecium stamens filament

0.4

0.6

1 reference

d0_s9

inflorescence flower anther

0.05

0.1

1 reference

d0_s10

inflorescence flower anther

0.2

0.25

1 reference

d0_s10

inflorescence flower anther

0.1

0.2

1 reference

d0_s10

usually orbicular

obovate

1 reference

d0_s11

oblong

rarely broadly

1 reference

d0_s11

structure in adjective form

1-locular

1 reference

d0_s11

twisted

not

1 reference

d0_s11

inflorescence flower gynoecium pistil ovule

atypical quantity

2

4

1 reference

d0_s14

inflorescence flower gynoecium pistil ovule

2

1 reference

d0_s14

inflorescence flower gynoecium pistil style

0.05

0.2

1 reference

d0_s15

1

1 reference

d0_s17

atypical length

0.8

0.9

1 reference

d0_s17

atypical length

1.1

1.2

1 reference

d0_s17

0.9

1.1

1 reference

d0_s17

0.5

0.7

1 reference

d0_s17

0.9

1

1 reference

d0_s17

0.7

0.9

1 reference

d0_s17

chromosome

26

1 reference

d0_s17

cruciform

1 reference

d0_s3

arrangement

mixed

adaxially sometimes

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d0_s3

general structure valve

thin

1 reference

d0_s12

inflorescence flower petal venation vein

prominence

prominent

sometimes

1 reference

d0_s12

inflorescence flower petal venation vein

pubescent

usually

1 reference

d0_s12

inflorescence flower petal venation vein

glabrous

rarely

1 reference

d0_s12

simple

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d0_s12

0

0.5

1 reference

d0_s12

hooked

1 reference