Difference between revisions of "Alyssum desertorum Stapf (Q4549) "

Flora Commons

taxon name

Alyssum desertorum

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taxon authority

Stapf

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taxon rank

species

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taxon status

synonym

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VasCan taxon numeric id

3875

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Alyssum turkestanicum Regel & Schmalhausen

taxon synonym of

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phenology

Flowering Apr–Jul.

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taxon habitat

deserts

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rocky areas

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disturbed sites

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roadsides

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fields

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meadows

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sagebrush flats

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elevation

800-2000 m

measurement range from

800 meter

measurement range to

2,000 meter

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distribution

CA-AB

Alta.

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CA-BC

B.C.

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CA-SK

Sask.

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US-CA

Calif.

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US-CO

Colo.

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US-ID

Idaho

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US-MT

Mont.

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US-NE

Nebr.

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US-NV

Nev.

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US-ND

N.Dak.

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US-OR

Oreg.

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US-SD

S.Dak.

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US-UT

Utah

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US-WA

Wash.

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US-WY

Wyo.

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Europe

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c Asia

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special status

W

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I

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taxon description fragment

canescent throughout except fruit, trichomes appressed, 8–20-rayed.

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d0_s1

Stems simple or few to several from base, erect, ascending, or decumbent, (0.2–) 0.5–1.8 (–2.8) dm.

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d0_s2

Cauline leaves subsessile or (proximal) attenuate to petiolelike base (to 0.5 cm);

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d0_s3

blade linear to oblanceolate-linear, (0.3–) 0.5–2.5 (–3) cm × (0.5–) 1–3 (–4) mm (gradually smaller distally), base attenuate, apex acute.

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d0_s4

Fruiting pedicels ascending or subdivaricate, straight, stout, (1–) 1.5–3.5 (–4.5) mm, trichomes uniformly stellate.

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d0_s5

Flowers: sepals oblong, 1.4–1.8 (–2) × 0.4–0.5 mm, stellate-pubescent;

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d0_s6

petals pale-yellow, oblanceolate, 2–2.5 × 0.5–0.6 mm, base attenuate, apex obtuse or retuse, sparsely stellate-pubescent abaxially;

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d0_s7

filaments: median pairs not toothed, gradually expanded from apex to narrowly winged base, lateral pair with broadly winged appendage apically notched into 2 teeth, 1–1.8 (–2) mm;

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d0_s8

anthers ovate, 0.1–0.2 mm.

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d0_s9

Fruits orbicular, 2.5–4 (–4.5) mm diam., apex shallowly emarginate, usually glabrous;

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d0_s10

valves uniformly inflated at middle, broadly flattened at margins, often glaucous, rarely sparsely pubescent (when young);

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d0_s11

ovules 2 per ovary;

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d0_s12

style 0.3–0.7 mm, glabrous.

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d0_s13

2n = 32.

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d0_s15

morphology statement

simple

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d0_s2

few to several

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d0_s2

erect

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d0_s2

ascending

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d0_s2

decumbent

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d0_s2

ascending

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d0_s2

decumbent

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d0_s2

atypical some measurement

0.2

0.5

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d0_s2

atypical some measurement

1.8

2.8

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d0_s2

0.5

1.8

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d0_s2

leaf

subsessile

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d0_s3

leaf

attenuate to petiolelike

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d0_s3

arrangement

course

linear to oblanceolate-linear

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d0_s4

atypical length

0.3

0.5

1 reference

d0_s4

atypical length

2.5

3

1 reference

d0_s4

0.5

2.5

1 reference

d0_s4

atypical width

0.5

1

1 reference

d0_s4

atypical width

3

4

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d0_s4

1

3

1 reference

d0_s4

inflorescence phyllaries base

attenuate

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d0_s4

acute

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d0_s5

oblong

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d0_s6

atypical length

1.8

2

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d0_s6

1.4

1.8

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d0_s6

0.4

0.5

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d0_s6

stellate-pubescent

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d0_s6

coloration

pale-yellow

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d0_s7

oblanceolate

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d0_s7

2

2.5

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d0_s7

0.5

0.6

1 reference

d0_s7

inflorescence phyllaries base

attenuate

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d0_s7

obtuse

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d0_s7

retuse

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d0_s7

stellate-pubescent

sparsely; abaxially

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d0_s7

position

median

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d0_s8

toothed

not

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d0_s8

size

expanded

gradually

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d0_s8

position

lateral

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d0_s8

atypical some measurement

1.8

2

1 reference

d0_s8

1

1.8

1 reference

d0_s8

inflorescence phyllaries base

winged

narrowly

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d0_s8

inflorescence flower gynoecium pistil style appendage

winged

broadly

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d0_s8

inflorescence flower gynoecium pistil style appendage

notched

apically

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d0_s8

inflorescence flower anther

ovate

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d0_s9

inflorescence flower anther

0.1

0.2

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d0_s9

fruit

orbicular

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d0_s10

fruit

diameter

4

4.5

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d0_s10

fruit

diameter

2.5

4

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d0_s10

emarginate

shallowly

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d0_s10

glabrous

usually

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d0_s10

inflorescence flower gynoecium pistil ovule

quantity

2

1 reference

d0_s12

inflorescence flower gynoecium pistil style

0.3

0.7

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d0_s13

inflorescence flower gynoecium pistil style

glabrous

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d0_s13

ovoid

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d0_s15

compressed

slightly

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d0_s15

1.2

1.5

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d0_s15

0.9

1.1

1 reference

d0_s15

margined

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d0_s15

not

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d0_s15

chromosome

quantity

32

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d0_s15

tissue epidermis armature trichome

fixation

appressed

1 reference

d0_s1

tissue epidermis armature trichome

arrangement

stellate

uniformly

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d0_s5

inflated

uniformly

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d0_s11

flattened

broadly

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d0_s11

glaucous

often

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d0_s11

pubescent

rarely sparsely

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