Difference between revisions of "Boechera quebecensis Windham &amp; Al-Shehbaz (Q3798) "

taxon name

Boechera quebecensis

1 reference

taxon authority

Windham & Al-Shehbaz

1 reference

taxon rank

species

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taxon status

accepted

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common name

arabette du Québec (French)

1 reference

Quebec rockcress (English)

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limestone rockcress (English)

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VasCan taxon numeric id

9692

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establishment of distribution

distribution

CA-QC

data format or standard

ISO3166-2

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-QC

data format or standard

ISO3166-2

original value

Que.

1 reference

Boechera Á. Löve & D. Löve

parent taxon

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taxon habit

herb

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GBIF taxon key

3043236

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jun–Jul.

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taxon habitat

calcareous rock outcrops

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talus slopes

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elevation

0-300 m

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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, 1–4.5 dm, densely pubescent proximally, trichomes sessile, 2–4-rayed, 0.15–0.5 mm, glabrous distally.

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d0_s4

Basal leaves: blade oblanceolate, 5–15 mm wide, margins denticulate, ciliate proximally, trichomes (simple), to 1 mm, surfaces moderately pubescent, trichomes subsessile, (2-rayed or) 3–7-rayed, 0.1–0.3 mm.

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d0_s5

Cauline leaves: 4–15, not concealing stem;

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d0_s6

blade auricles 1–3.5 mm, surfaces of distalmost leaves glabrous.

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d0_s7

Fruiting pedicels horizontal to slightly descending, curved to straight, 3–8 (–14) mm, glabrous or with some subappressed, branched trichomes.

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d0_s9

Flowers divaricate at anthesis;

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d0_s10

sepals pubescent;

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d0_s11

petals white, 6–7 × 1–2 mm, glabrous;

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d0_s12

pollen spheroid.

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d0_s13

Fruits horizontal to slightly descending, not appressed to rachis, secund, straight, edges parallel, 3–6 cm × 1.5–2 mm;

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d0_s14

valves glabrous;

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d0_s15

ovules 56–94 per ovary.

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d0_s16

Seeds uniseriate, 1.2–1.5 × 1–1.3 mm;

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d0_s17

wing continuous, 0.1–0.15 mm wide.

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d0_s18

morphology statement

stem caudex

presence

absent

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d0_s3

stem caudex

presence

absent

1 reference

d0_s3

quantity

1

1 reference

d0_s4

arising

1 reference

d0_s4

1

4.5

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d0_s4

pubescent

densely; proximally

1 reference

d0_s4

leaf blade

oblanceolate

1 reference

d0_s5

leaf blade

5

15

1 reference

d0_s5

inflorescence palea margin

denticulate

1 reference

d0_s5

inflorescence palea margin

ciliate

proximally

1 reference

d0_s5

leaf

quantity

4

15

1 reference

d0_s6

inflorescence flower petal auricle

1

3.5

1 reference

d0_s7

inflorescence flower

arrangement

divaricate

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d0_s10

inflorescence flower sepal

pubescent

1 reference

d0_s11

coloration

white

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d0_s12

length

6

7

1 reference

d0_s12

1

2

1 reference

d0_s12

glabrous

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d0_s12

inflorescence flower androecium stamens pollen

spheroid

1 reference

d0_s13

horizontal

slightly descending

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d0_s14

fixation

appressed

not

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d0_s14

secund

1 reference

d0_s14

course

straight

1 reference

d0_s14

inflorescence flower gynoecium pistil ovule

quantity

56

94

1 reference

d0_s16

seed

arrangement

uniseriate

1 reference

d0_s17

seed

length

1.2

1.5

1 reference

d0_s17

seed

1

1.3

1 reference

d0_s17

sessile

1 reference

d0_s4

0.15

0.5

1 reference

d0_s4

glabrous

distally

1 reference

d0_s4

0

1

1 reference

d0_s5

subsessile

1 reference

d0_s5

0.1

0.3

1 reference

d0_s5

inflorescence raceme

11-41-flowered

1 reference

d0_s9

inflorescence raceme

unbranched

usually

1 reference

d0_s9

horizontal

slightly descending

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d0_s9

course

curved

straight

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d0_s9

atypical some measurement

8

14

1 reference

d0_s9

3

8

1 reference

d0_s9

glabrous

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d0_s9

subappressed

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d0_s9

branched

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d0_s9

general structure valve

glabrous

1 reference

d0_s15

inflorescence flower petal venation midvein wing

continuous

1 reference

d0_s18

inflorescence flower petal venation midvein wing

0.1

0.15

1 reference