Difference between revisions of "Lepidium oxycarpum Torrey &amp; A. Gray (Q3731) "

taxon name

Lepidium oxycarpum

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taxon authority

Torrey & A. Gray

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taxon rank

species

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taxon status

accepted

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common name

forked peppergrass (English)

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sharp-pod peppergrass (English)

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sharp-fruit peppergrass (English)

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lépidie à fruits pointus (French)

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VasCan taxon numeric id

4065

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distribution

CA-BC

data format or standard

ISO3166-2

occurrence status

doubtful

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.

US-CA

data format or standard

ISO3166-2

original value

Calif.

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parent taxon

Lepidium Linnaeus

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taxon habit

herb

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GBIF taxon key

5377078

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Mar–May.

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taxon habitat

borders

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vernal pools

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grassy fields

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roadsides ditches

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flats

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margins

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salt marshes

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elevation

0-400 m

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special status

F

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E

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taxon description fragment

Stems several from base, usually erect to ascending, rarely decumbent, branched, 0.4–1.5 (–2) dm.

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d0_s2

not rosulate;

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d0_s4

petiole 0.5–1.5 (–2) cm;

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d0_s5

blade margins entire or pinnatifid (lobes 2–5 pairs, linear to filiform), 1.5–5 cm × 0.5–2 mm.

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d0_s6

Cauline leaves petiolate;

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d0_s7

blade linear, 0.1–0.3 cm × 0.5–2 mm, base attenuate, not auriculate, margins entire.

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d0_s8

Racemes considerably elongated, (lax) in fruit;

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d0_s9

rachis glabrous or puberulent, trichomes straight, cylindrical.

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d0_s10

Fruiting pedicels divaricate to horizontal or descending, usually recurved, rarely straight, (terete or slightly flattened), 2–4 (–6) × 0.2–0.3 mm, glabrous or puberulent adaxially.

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d0_s11

Flowers: sepals oblong, 0.6–0.8 × 0.4–0.5 mm;

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d0_s12

petals absent;

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d0_s13

stamens 4, median;

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d0_s14

filaments 0.6–0.7;

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d0_s15

anthers ca. 0.1 mm.

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d0_s16

Fruit ovate, 2.4–3.6 × 1.8–2.5 mm, apically winged, apical notch (V-shaped), 0.3–0.8 mm deep;

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d0_s17

valves thin, smooth, strongly reticulate-veined, glabrous;

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d0_s18

style obsolete or to 0.1 mm, included in apical notch.

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d0_s19

Seeds oblong, 1.4–1.8 × 0.8–0.9 mm.

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d0_s20

morphology statement

quantity

several

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d0_s2

usually erect

ascending

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d0_s2

growth form

decumbent

rarely

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d0_s2

branched

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d0_s2

atypical some measurement

1.5

2

1 reference

d0_s2

some measurement

0.4

1.5

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d0_s2

leaf

arrangement

rosulate

not

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d0_s4

leaf petiole

atypical some measurement

1.5

2

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d0_s5

leaf petiole

some measurement

0.5

1.5

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d0_s5

entire

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d0_s6

pinnatifid

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d0_s6

1.5

5

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d0_s6

0.5

2

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d0_s6

leaf

petiolate

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d0_s7

leaf blade

arrangement

course

linear

1 reference

d0_s8

leaf blade

0.1

0.3

1 reference

d0_s8

leaf blade

0.5

2

1 reference

d0_s8

inflorescence phyllaries base

attenuate

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d0_s8

inflorescence phyllaries base

auriculate

not

1 reference

d0_s8

entire

1 reference

d0_s8

leaf rachis

glabrous

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d0_s10

leaf rachis

puberulent

1 reference

d0_s10

inflorescence flower sepal

oblong

1 reference

d0_s12

inflorescence flower sepal

0.6

0.8

1 reference

d0_s12

inflorescence flower sepal

0.4

0.5

1 reference

d0_s12

inflorescence flower petal

presence

absent

1 reference

d0_s13

inflorescence flower stamen

quantity

4

1 reference

d0_s14

inflorescence flower stamen

position

median

1 reference

d0_s14

inflorescence flower androecium stamens filament

quantity

0.6

0.7

1 reference

d0_s15

inflorescence flower anther

some measurement

0.1

1 reference

d0_s16

ovate

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d0_s17

2.4

3.6

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d0_s17

1.8

2.5

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d0_s17

winged

apically

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d0_s17

inflorescence flower gynoecium pistil style

prominence

obsolete

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d0_s19

inflorescence flower gynoecium pistil style

prominence

0-0.1 mm

1 reference

d0_s19

seed

oblong

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d0_s20

seed

1.4

1.8

1 reference

d0_s20

seed

0.8

0.9

1 reference

d0_s20

inflorescence raceme

elongated

considerably

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d0_s9

course

straight

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d0_s11

cylindrical

1 reference

d0_s11

arrangement

divaricate

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d0_s11

horizontal

1 reference

d0_s11

descending

1 reference

d0_s11

recurved

usually

1 reference

d0_s11

course

straight

rarely

1 reference

d0_s11

glabrous

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d0_s11

puberulent

adaxially

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d0_s11

thin

1 reference

d0_s18

relief

smooth

1 reference

d0_s18

reticulate-veined

strongly

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d0_s18

glabrous

1 reference