Difference between revisions of "Boechera sparsiflora (Nuttall) Dorn (Q3793) "

taxon name

Boechera sparsiflora

1 reference

taxon authority

(Nuttall) Dorn

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taxon rank

species

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taxon status

accepted

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common name

arabette à fleurs clairsemées (French)

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elegant rockcress (English)

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sicklepod rockcress (English)

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stretching suncress (English)

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VasCan taxon numeric id

3919

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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-CA

Calif.

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US-ID

Idaho

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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.

1 reference

Boechera Á. Löve & D. Löve

parent taxon

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taxon habit

herb

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GBIF taxon key

3043545

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Apr–Jun.

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taxon habitat

rocky slopes

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clay hills

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sandy soil

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sagebrush

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mountain shrub communities

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meadows

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open conifer forests

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elevation

400-2800 m

measurement range from

400 meter

measurement range to

2,800 meter

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taxon description fragment

caudex present or absent.

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d0_s3

Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 3–8 dm, densely pubescent proximally, trichomes simple mixed with fewer short-stalked, 2-rayed ones, 0.4–1.5 mm, glabrous or sparsely pubescent distally.

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d0_s4

Basal leaves: blade oblanceolate or linear-oblanceolate, 3–12 mm wide, margins usually entire, rarely dentate, ciliate proximally, trichomes (usually simple), to 1 mm, surfaces densely pubescent, trichomes short-stalked, 2–5-rayed, 0.3–0.8 mm.

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d0_s5

Cauline leaves: (9–) 15–35, often concealing stem proximally;

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d0_s6

blade auricles 3–10 mm, surfaces of distalmost leaves glabrous, sometimes margins ciliate.

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d0_s7

Fruiting pedicels usually ascending, rarely almost horizontal, straight or slightly recurved, 3–10 (–18) mm, usually pubescent, rarely glabrous, trichomes spreading, usually simple.

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d0_s9

Flowers ascending at anthesis;

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d0_s10

sepals sparsely pubescent;

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d0_s11

petals usually lavender to purple, rarely white, 7–13 × 2–5 mm, glabrous;

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d0_s12

pollen ellipsoid.

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d0_s13

Fruits usually ascending, rarely almost horizontal, not appressed to rachis, not secund, usually curved, edges parallel, 5–13 cm × 1.7–2 mm;

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d0_s14

valves glabrous;

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d0_s15

ovules 90–170 per ovary;

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d0_s16

style 0.05–0.3 mm.

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d0_s17

Seeds uniseriate, 1.5–2 × 1–1.5 mm;

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d0_s18

2n = 14.

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d0_s20

morphology statement

stem caudex

presence

absent

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d0_s3

stem caudex

presence

absent

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d0_s3

1

1 reference

d0_s4

arising

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d0_s4

3

8

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d0_s4

pubescent

densely; proximally

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d0_s4

leaf blade

oblanceolate

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d0_s5

leaf blade

linear-oblanceolate

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d0_s5

leaf blade

3

12

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d0_s5

entire

usually

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d0_s5

dentate

rarely

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d0_s5

ciliate

proximally

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d0_s5

leaf

atypical quantity

9

15

1 reference

d0_s6

leaf

15

35

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d0_s6

inflorescence flower petal auricle

3

10

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d0_s7

ciliate

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d0_s7

inflorescence flower

ascending

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d0_s10

inflorescence flower sepal

pubescent

sparsely

1 reference

d0_s11

coloration

usually lavender

purple

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d0_s12

coloration

white

rarely

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d0_s12

length

7

13

1 reference

d0_s12

2

5

1 reference

d0_s12

glabrous

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d0_s12

inflorescence flower androecium stamens pollen

ellipsoid

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d0_s13

ascending

usually

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d0_s14

horizontal

rarely almost

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d0_s14

fixation

appressed

not

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d0_s14

secund

not

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d0_s14

course

curved

usually

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d0_s14

inflorescence flower gynoecium pistil ovule

90

170

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d0_s16

inflorescence flower gynoecium pistil style

0.05

0.3

1 reference

d0_s17

seed

arrangement

uniseriate

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d0_s18

seed

length

1.5

2

1 reference

d0_s18

seed

1

1.5

1 reference

d0_s18

chromosome

14

1 reference

d0_s20

simple

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d0_s4

arrangement

mixed

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d0_s4

0.4

1.5

1 reference

d0_s4

glabrous

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d0_s4

pubescent

sparsely; distally

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d0_s4

0

1

1 reference

d0_s5

short-stalked

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d0_s5

0.3

0.8

1 reference

d0_s5

inflorescence raceme

12-50-flowered

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d0_s9

inflorescence raceme

unbranched

usually

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d0_s9

spreading

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d0_s9

simple

usually

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d0_s9

general structure valve

glabrous

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d0_s15

inflorescence flower petal venation midvein wing

continuous

1 reference

d0_s20

inflorescence flower petal venation midvein wing

0.1

0.2

1 reference