Boechera drepanoloba (Greene) Windham &amp; Al-Shehbaz (Q3782)

taxon name

Boechera drepanoloba

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taxon authority

(Greene) Windham & Al-Shehbaz

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taxon rank

species

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taxon status

accepted

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common name

arabette à lobes arqués (French)

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soldier rockcress (English)

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pointing suncress (English)

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VasCan taxon numeric id

3890

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

1 reference

publication

Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/

CA-AB

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-YT

establishment of distribution

occurrence status

present

native

1 reference

publication

Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.

CA-AB

Alta.

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US-AK

Alaska

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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-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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Boechera Á. Löve & D. Löve

parent taxon

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taxon habit

herb

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GBIF taxon key

3043441

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Jul–Aug.

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taxon habitat

rocky slopes

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talus

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alpine

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subalpine habitats

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elevation

2000-3800 m

measurement range from

2,000 meter

measurement range to

3,800 meter

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taxon description fragment

caudex usually not woody.

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d0_s3

Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 1–4 dm, glabrous or sparsely pubescent proximally, trichomes sessile or subsessile, 2-rayed or 3-rayed, 0.1–0.3 mm, glabrous distally.

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d0_s4

Basal leaves: blade oblanceolate, 2–6 mm wide, margins entire, ciliate along petiole, trichomes (submalpighiaceous or simple), to 0.6 mm, surfaces sparsely to densely pubescent, trichomes subsessile, 2–6-rayed, 0.1–0.3 mm.

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d0_s5

Cauline leaves: 3–15, often concealing stem proximally;

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d0_s6

blade auricles 0.7–2.5 mm, surfaces of distalmost leaves usually glabrous.

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d0_s7

Fruiting pedicels horizontal to ascending, straight or curved, 4–8 mm, glabrous.

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d0_s9

Flowers ascending at anthesis;

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d0_s10

sepals glabrous or pubescent with scattered trichomes;

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d0_s11

petals purple to lavender, 6–8 × 1.5–2.5 mm, glabrous;

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d0_s12

pollen spheroid.

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d0_s13

Fruits horizontal to ascending, secund, straight to slightly curved, edges parallel, 3–5.8 cm × 2–3.5 mm;

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d0_s14

valves glabrous;

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d0_s15

ovules 44–76 (–104) per ovary;

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d0_s16

style 0.05–0.5 mm.

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d0_s17

Seeds uniseriate, 1.5–2.2 × 1.2–1.6 mm;

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d0_s18

wing continuous, 0.3–0.7 mm wide.

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d0_s19

morphology statement

stem caudex

texture

woody

usually not

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d0_s3

quantity

1

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d0_s4

arising

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d0_s4

1

4

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d0_s4

glabrous

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d0_s4

pubescent

sparsely; proximally

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d0_s4

sessile

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d0_s4

subsessile

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d0_s4

0.1

0.3

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d0_s4

glabrous

distally

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d0_s4

leaf blade

oblanceolate

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d0_s5

leaf blade

2

6

1 reference

d0_s5

inflorescence palea margin

entire

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d0_s5

inflorescence palea margin

ciliate

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d0_s5

0

0.6

1 reference

d0_s5

subsessile

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d0_s5

0.1

0.3

1 reference

d0_s5

leaf

quantity

3

15

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d0_s6

inflorescence flower petal auricle

0.7

2.5

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d0_s7

5-25-flowered

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d0_s9

unbranched

usually

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d0_s9

horizontal

ascending

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d0_s9

course

straight

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d0_s9

course

curved

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d0_s9

4

8

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d0_s9

glabrous

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d0_s9

inflorescence flower

ascending

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d0_s10

inflorescence flower sepal

glabrous

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d0_s11

inflorescence flower sepal

pubescent

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d0_s11

arrangement

scattered

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d0_s11

coloration

purple

lavender

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d0_s12

length

6

8

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d0_s12

1.5

2.5

1 reference

d0_s12

glabrous

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d0_s12

inflorescence flower androecium stamens pollen

spheroid

1 reference

d0_s13

fruit

horizontal

ascending

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d0_s14

fruit

secund

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d0_s14

fruit

course

straight

slightly curved

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d0_s14

general structure

glabrous

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d0_s15

inflorescence flower gynoecium pistil ovule

atypical quantity

76

104

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d0_s16

inflorescence flower gynoecium pistil ovule

quantity

44

76

1 reference

d0_s16

inflorescence flower gynoecium pistil style

0.05

0.5

1 reference

d0_s17

seed

arrangement

uniseriate

1 reference

d0_s18

seed

length

1.5

2.2

1 reference

d0_s18

seed

1.2

1.6

1 reference

d0_s18

inflorescence flower petal venation wing

continuous

1 reference

d0_s19

inflorescence flower petal venation wing

0.3

0.7

1 reference