Difference between revisions of "Boechera microphylla (Nuttall) Dorn (Q3797) "

taxon name

Boechera microphylla

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 petites feuilles (French)

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little-leaved rockcress (English)

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small-leaved rockcress (English)

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crevice suncress (English)

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VasCan taxon numeric id

9691

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

1 reference

publication

Straley, G.B., D.V. Meidinger & G.W. Douglas. 1989-1994. The Vascular plants of British Columbia. BC. Ministry of Forests, Victoria. 4 vols.

CA-BC

B.C.

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US-ID

Idaho

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US-MT

Mont.

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US-NV

Nev.

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US-OR

Oreg.

1 reference

US-UT

Utah

1 reference

US-WA

Wash.

1 reference

US-WY

Wyo.

1 reference

Boechera Á. Löve & D. Löve

parent taxon

1 reference

taxon habit

herb

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GBIF taxon key

3043484

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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

cliffs

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rocky slopes

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sagebrush

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mountain shrub

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open conifer forests

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elevation

400-2400 m

measurement range from

400 meter

measurement range to

2,400 meter

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taxon description fragment

caudex woody.

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d0_s4

Stems 1 or several per caudex branch, arising from center or margin of rosette near ground surface, 0.8–2.8 (–3.5) dm, sparsely pubescent proximally, trichomes simple and subsessile, 2-rayed, 0.3–0.6 mm, glabrous distally.

1 reference

d0_s5

Basal leaves: blade oblanceolate to linear-oblanceolate, 1–4 (–6) mm wide, margins entire or subapically toothed, ciliate proximally, trichomes (simple), to 0.6 mm, surfaces densely pubescent, trichomes short-stalked, 4–8-rayed, 0.05–0.1 mm.

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d0_s6

Cauline leaves: 2–6, not concealing stem;

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d0_s7

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

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d0_s8

Fruiting pedicels ascending to divaricate-ascending, straight, 4–14 mm, glabrous.

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d0_s10

Flowers ascending at anthesis;

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d0_s11

sepals glabrous or pubescent;

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d0_s12

petals lavender to purple, 3.5–5.5 × 1–1.8 mm, glabrous;

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d0_s13

pollen ellipsoid or spheroid.

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d0_s14

Fruits ascending to divaricate-ascending, not appressed to rachis, not secund, straight to slightly curved, edges parallel, 3–7 cm × 1–1.5 mm;

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d0_s15

valves glabrous;

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d0_s16

ovules 52–72 per ovary;

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d0_s17

style 0.05–0.3 mm.

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d0_s18

Seeds uniseriate, 1–1.5 × 0.7–1 mm;

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d0_s19

wing often distal, ca. 0.1 mm wide.

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d0_s20

2n = 14, 15.

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d0_s21

morphology statement

stem caudex

texture

woody

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d0_s4

1

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d0_s5

several

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d0_s5

arising

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d0_s5

atypical some measurement

2.8

3.5

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d0_s5

0.8

2.8

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d0_s5

pubescent

sparsely; proximally

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d0_s5

leaf blade

oblanceolate

linear-oblanceolate

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d0_s6

leaf blade

4

6

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d0_s6

leaf blade

1

4

1 reference

d0_s6

inflorescence palea margin

entire

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d0_s6

inflorescence palea margin

toothed

subapically

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d0_s6

inflorescence palea margin

ciliate

proximally

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d0_s6

leaf

2

6

1 reference

d0_s7

inflorescence flower petal auricle

0.5

1.5

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d0_s8

inflorescence flower

ascending

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d0_s11

inflorescence flower sepal

glabrous

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d0_s12

inflorescence flower sepal

pubescent

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d0_s12

coloration

lavender

purple

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d0_s13

length

3.5

5.5

1 reference

d0_s13

1

1.8

1 reference

d0_s13

glabrous

1 reference

d0_s13

inflorescence flower androecium stamens pollen

ellipsoid

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d0_s14

inflorescence flower androecium stamens pollen

spheroid

1 reference

d0_s14

ascending

divaricate-ascending

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d0_s15

fixation

appressed

not

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d0_s15

secund

not

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d0_s15

course

straight

slightly curved

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d0_s15

inflorescence flower gynoecium pistil ovule

52

72

1 reference

d0_s17

inflorescence flower gynoecium pistil style

0.05

0.3

1 reference

d0_s18

seed

arrangement

uniseriate

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d0_s19

seed

length

1

1.5

1 reference

d0_s19

seed

0.7

1

1 reference

d0_s19

chromosome

14

1 reference

d0_s21

chromosome

15

1 reference

d0_s21

simple

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d0_s5

subsessile

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d0_s5

0.3

0.6

1 reference

d0_s5

glabrous

distally

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d0_s5

0

0.6

1 reference

d0_s6

short-stalked

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d0_s6

0.05

0.1

1 reference

d0_s6

5-17-flowered

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d0_s10

unbranched

usually

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d0_s10

ascending

divaricate-ascending

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d0_s10

course

straight

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d0_s10

4

14

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d0_s10

glabrous

1 reference

d0_s10

general structure valve

glabrous

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d0_s16

inflorescence flower petal venation midvein wing

position

distal

often

1 reference

d0_s20

inflorescence flower petal venation midvein wing

0.1

1 reference