Difference between revisions of "Boechera polyantha (Greene) Windham &amp; Al-Shehbaz (Q3799) "

taxon name

Boechera polyantha

1 reference

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 fleurs nombreuses (French)

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many-flowered rockcress (English)

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VasCan taxon numeric id

29005

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

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publication

University of British Columbia Herbarium (UBC), Vancouver, BC. Specimen. http://www.beatymuseum.ubc.ca/herbarium/index.html

US-ID

Idaho

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US-MT

Mont.

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US-OR

Oreg.

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US-WA

Wash.

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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

3043336

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering late Apr-early Jun.

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taxon habitat

sandy slopes

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open areas

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rocky

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elevation

900-2500 m

measurement range from

900 meter

measurement range to

2,500 meter

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taxon description fragment

caudex not woody.

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d0_s3

Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 2.5–9 dm, densely pubescent proximally, trichomes short-stalked, 2–6-rayed, 0.1–0.7 mm, similarly pubescent distally.

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d0_s4

Basal leaves: blade oblanceolate, 1.5–7 mm wide, margins entire or shallowly dentate, ciliate at petiole base, trichomes to 0.9 mm, surfaces densely pubescent, trichomes short-stalked, 5–10-rayed, 0.1–0.25 mm.

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d0_s5

Cauline leaves: 16–42, concealing stem proximally;

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d0_s6

blade auricles 0.5–1.5 mm, surfaces of distalmost leaves pubescent.

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d0_s7

Fruiting pedicels reflexed, abruptly recurved at base, otherwise straight, 7–13 mm, pubescent, trichomes appressed, branched.

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d0_s9

Flowers descending at anthesis;

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d0_s10

sepals pubescent;

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d0_s11

petals white, 6–9 × 1–2.5 mm, sparsely pubescent abaxially;

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d0_s12

pollen ellipsoid.

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d0_s13

Fruits strongly reflexed, usually appressed to rachis, sometimes somewhat secund, straight, edges parallel, 3.5–7.2 cm × 1.2–1.5 mm;

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d0_s14

valves densely pubescent;

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d0_s15

ovules 74–110 per ovary;

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d0_s16

styles 0.05–0.2 mm.

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d0_s17

Seeds uniseriate, 0.9–1.2 × 0.7–1 mm;

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d0_s18

wing continuous, 0.05–0.1 mm wide.

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d0_s19

morphology statement

stem caudex

texture

woody

not

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d0_s3

quantity

1

1 reference

d0_s4

arising

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d0_s4

2.5

9

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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

1.5

7

1 reference

d0_s5

inflorescence palea margin

entire

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d0_s5

inflorescence palea margin

dentate

shallowly

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d0_s5

inflorescence palea margin

ciliate

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d0_s5

leaf

quantity

16

42

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d0_s6

inflorescence flower petal auricle

0.5

1.5

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d0_s7

reflexed

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d0_s9

recurved

abruptly

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d0_s9

course

straight

otherwise

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d0_s9

7

13

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d0_s9

pubescent

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d0_s9

inflorescence flower

descending

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d0_s10

inflorescence flower sepal

pubescent

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d0_s11

coloration

white

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d0_s12

length

6

9

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d0_s12

1

2.5

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d0_s12

pubescent

sparsely; abaxially

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d0_s12

inflorescence flower androecium stamens pollen

ellipsoid

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d0_s13

reflexed

strongly

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d0_s14

fixation

appressed

usually

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d0_s14

secund

sometimes somewhat

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d0_s14

course

straight

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d0_s14

inflorescence flower gynoecium pistil ovule

quantity

74

110

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d0_s16

inflorescence flower gynoecium pistil style

0.05

0.2

1 reference

d0_s17

seed

arrangement

uniseriate

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d0_s18

seed

length

0.9

1.2

1 reference

d0_s18

seed

0.7

1

1 reference

d0_s18

short-stalked

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d0_s4

0.1

0.7

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d0_s4

pubescent

similarly; distally

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d0_s4

0

0.9

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d0_s5

short-stalked

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d0_s5

0.1

0.25

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d0_s5

inflorescence raceme

17-96-flowered

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d0_s9

inflorescence raceme

unbranched

usually

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d0_s9

fixation

appressed

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d0_s9

branched

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d0_s9

general structure valve

pubescent

densely

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d0_s15

inflorescence flower petal venation midvein wing

continuous

1 reference

d0_s19

inflorescence flower petal venation midvein wing

0.05

0.1

1 reference