Difference between revisions of "Purshia tridentata (Pursh) de Candolle (Q3870) "

taxon name

Purshia tridentata

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taxon authority

(Pursh) de Candolle

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taxon rank

species

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taxon status

accepted

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common name

purshie tridentée (French)

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antelope bitterbrush (English)

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antelope-brush (English)

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Bitterbrush (English)

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VasCan taxon numeric id

8883

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

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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.

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US-AZ

Ariz.

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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-NM

N.Mex.

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US-NE

Nebr.

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US-NV

Nev.

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US-OR

Oreg.

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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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nw Mexico

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Purshia de Candolle ex Poiret in J. Lamarck et al.

parent taxon

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taxon habit

shrub

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GBIF taxon key

5370313

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

special status

F

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taxon description fragment

Shrubs, evergreen or partially summer–winter-deciduous, 2–25 (–40) dm.

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d0_s0

Stems: young-stem internodes 4–12 mm, sparsely to densely arachnoid-villous, ± hirtellous, or glabrous, stipitate-glandular or not;

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d0_s1

Leaves: blade of 1 or 2 types: (1) persistent, dark green adaxially, obovate to spatulate, 4–9 × (1–) 3–6 mm, irregularly lobed in distal 1/3, lobes 3 (–5), lobes entire, ± terete, central lobe deflexed, often apiculate, 2 lateral ascending, margins strongly revolute, abaxial surface arachnoid-villous, midvein glabrous, glabrate, or hirtellous, adaxial glabrous, sometimes arachnoid-villous or hirtellous, often glandular-punctate along margins;

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d0_s3

(2) winter deciduous, green-gray adaxially, flabelliform, 6–15+ × 3–7+ mm, margins weakly revolute, usually 3-toothed, sometimes 3-lobed, distally, abaxial surface arachnoid-villous to arachnoid-tomentose, veins ± glabrate, adaxial hirtellous and ± arachnoid villous, sometimes sessile or stipitate-glandular along margins.

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d0_s4

Pedicels 0.2–2.5 mm.

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d0_s5

Flowers: hypanthium obconic, 2.5–5 × 1.5–3 mm, 3.5–6 mm diam. in fruit, pubescent-sericeous, sessile or stipitate-glandular;

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d0_s6

petals usually lemon to cream-yellow, sometimes nearly white, obovate-spatulate, 4–7+ mm;

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d0_s7

stamens 17–35;

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d0_s8

carpels 1 or 2.

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d0_s9

Achenes broadly obovoid-fusiform (circular in cross-section or flattened on common side when paired), 7–12 × 3.5–5.2 mm, 15–22-veined, persistent style 5–7 (–10) mm, densely hirtellous.

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d0_s10

morphology statement

evergreen

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d0_s0

summer-winter-deciduous

partially

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d0_s0

atypical some measurement

25

40

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d0_s0

2

25

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d0_s0

growth form

shrub

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d0_s0

4

12

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d0_s1

arachnoid-villous

sparsely to densely; densely

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d0_s1

hirtellous

more or less

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d0_s1

glabrous

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d0_s1

hirtellous

more or less

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d0_s1

glabrous

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d0_s1

stipitate-glandular

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d0_s1

not

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d0_s1

atypical quantity

1

of 1 or 2types

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d0_s3

persistent

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d0_s3

dark green

adaxially

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d0_s3

obovate

spatulate

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d0_s3

length

4

9

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d0_s3

atypical width

1

3

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d0_s3

width

3

6

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d0_s3

lobed

irregularly

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d0_s3

atypical quantity

3

5

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d0_s3

3

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d0_s3

entire

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d0_s3

terete

more or less

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d0_s3

orientation

deflexed

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d0_s3

apiculate

often

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d0_s3

2

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d0_s3

position

lateral

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d0_s3

orientation

ascending

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d0_s3

vernation

revolute

strongly

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d0_s3

glabrous

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d0_s3

glabrate

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d0_s3

hirtellous

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d0_s3

glabrate

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d0_s3

hirtellous

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d0_s3

atypical quantity

2

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d0_s4

season

winter

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d0_s4

deciduous

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d0_s4

green-gray

adaxially

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d0_s4

flabelliform

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d0_s4

length

6

15

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d0_s4

width

3

7

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d0_s4

vernation

revolute

weakly

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d0_s4

3-toothed

usually

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d0_s4

3-lobed

sometimes

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d0_s4

glabrate

more or less

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d0_s4

inflorescence pedicel

0.2

2.5

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d0_s5

obconic

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d0_s6

diameter

2.5-5×1.5-3

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d0_s6

diameter

3.5

6

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d0_s6

pubescent-sericeous

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d0_s6

sessile

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d0_s6

stipitate-glandular

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d0_s6

usually lemon

cream-yellow

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d0_s7

white

sometimes nearly

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d0_s7

obovate-spatulate

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d0_s7

4

7

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d0_s7

inflorescence flower stamen

17

35

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d0_s8

inflorescence flower gynoecium pistil

1

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d0_s9

inflorescence flower gynoecium pistil

2

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d0_s9

obovoid-fusiform

broadly

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d0_s10

length

7

12

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d0_s10

width

3.5

5.2

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d0_s10

15-22-veined

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d0_s10

persistent

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d0_s10

atypical some measurement

7

10

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d0_s10

5

7

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d0_s10

hirtellous

densely

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