Lepidium densiflorum Schrader (Q3728)

taxon name

Lepidium densiflorum

1 reference

taxon authority

Schrader

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

lépidie densiflore (French)

1 reference

passerage densiflore (French)

1 reference

passerage (French)

1 reference

passerage à fleurs denses (French)

1 reference

common peppergrass (English)

1 reference

prairie peppergrass (English)

1 reference

dense-flowered peppergrass (English)

1 reference

small-flowered peppergrass (English)

1 reference

common pepperwort (English)

1 reference

common pepperweed (English)

1 reference

VasCan taxon numeric id

4062

1 reference

distribution

CA-BC

present

introduced

1 reference

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-AB

present

native

1 reference

Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.

CA-SK

present

native

1 reference

Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf

CA-MB

present

native

1 reference

Manitoba Checklist, 2002

CA-ON

present

introduced

1 reference

Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.

CA-QC

present

introduced

1 reference

Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.

CA-NB

present

introduced

1 reference

Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.

CA-PE

present

introduced

1 reference

Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.

CA-NS

present

introduced

1 reference

Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.

Newfoundland, CA

present

introduced

1 reference

Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm

Labrador, CA

present

introduced

1 reference

Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm

CA-YT

present

introduced

1 reference

Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.

CA-NT

present

native

1 reference

Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.

CA-AB

Alta.

1 reference

CA-BC

B.C.

1 reference

CA-MB

Man.

1 reference

CA-NB

N.B.

1 reference

CA-NL

Nfld. and Labr.

1 reference

CA-NT

N.W.T.

1 reference

CA-NS

N.S.

1 reference

CA-ON

Ont.

1 reference

CA-PE

P.E.I.

1 reference

CA-QC

Que.

1 reference

CA-SK

Sask.

1 reference

CA-YT

Yukon

1 reference

US-AL

Ala.

1 reference

US-AK

Alaska

1 reference

US-AZ

Ariz.

1 reference

US-AR

Ark.

1 reference

US-CA

Calif.

1 reference

US-CO

Colo.

1 reference

US-CT

Conn.

1 reference

US-DE

Del.

1 reference

US-DC

D.C.

1 reference

US-FL

Fla.

1 reference

US-GA

Ga.

1 reference

US-ID

Idaho

1 reference

US-IL

Ill.

1 reference

US-IN

Ind.

1 reference

US-IA

Iowa

1 reference

US-KS

Kans.

1 reference

US-KY

Ky.

1 reference

US-LA

La.

1 reference

US-ME

Maine

1 reference

US-MD

Md.

1 reference

US-MA

Mass.

1 reference

US-MI

Mich.

1 reference

US-MN

Minn.

1 reference

US-MS

Miss.

1 reference

US-MO

Mo.

1 reference

US-MT

Mont.

1 reference

US-NE

Nebr.

1 reference

US-NV

Nev.

1 reference

US-NH

N.H.

1 reference

US-NJ

N.J.

1 reference

US-NM

N.Mex.

1 reference

US-NY

N.Y.

1 reference

US-NC

N.C.

1 reference

US-ND

N.Dak.

1 reference

US-OH

Ohio

1 reference

US-OK

Okla.

1 reference

US-OR

Oreg.

1 reference

US-PA

Pa.

1 reference

US-RI

R.I.

1 reference

US-SC

S.C.

1 reference

US-SD

S.Dak.

1 reference

US-TN

Tenn.

1 reference

US-TX

Tex.

1 reference

US-UT

Utah

1 reference

US-VT

Vt.

1 reference

US-VA

Va.

1 reference

US-WA

Wash.

1 reference

US-WV

W.Va.

1 reference

US-WI

Wis.

1 reference

US-WY

Wyo.

1 reference

Mexico (Chihuahua)

1 reference

Mexico (Nuevo León)

1 reference

in Europe

1 reference

Asia

1 reference

parent taxon

Lepidium Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

5377064

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering May–Jul.

1 reference

taxon habitat

waste

1 reference

disturbed sites

1 reference

prairies

1 reference

fields

1 reference

pastures

1 reference

grasslands

1 reference

chaparral

1 reference

meadows

1 reference

sagebrush flats

1 reference

flood plains

1 reference

gravelly hillsides

1 reference

rock crevices

1 reference

seashores

1 reference

sandy places

1 reference

shaley barrens

1 reference

open mesa

1 reference

roadsides

1 reference

elevation

0-3500 m

1 reference

special status

W

1 reference

F

1 reference

taxon description fragment

Stems simple from base, erect, branched distally, (1–) 2.5–5 (–6.5) dm.

1 reference

d0_s2

rosulate;

1 reference

d0_s4

petiole 0.5–1.5 (–2) cm;

1 reference

d0_s5

blade oblanceolate, spatulate, or oblong, (1.5–) 2.5–8 (–11) cm × 5–10 (–20) mm, margins coarsely serrate or pinnatifid.

1 reference

d0_s6

Cauline leaves shortly petiolate;

1 reference

d0_s7

blade narrowly oblanceolate or linear, (0.7–) 1.3–6.2 (–8) cm × (0.5–) 1.5–10 (–18) mm, base attenuate to cuneate, not auriculate, margins usually entire or irregularly serrate to dentate, rarely pinnatifid.

1 reference

d0_s8

Racemes considerably elongated in fruit;

1 reference

d0_s9

rachis puberulent, trichomes straight, slender to subclavate.

1 reference

d0_s10

Fruiting pedicels divaricate-ascending to horizontal, straight or slightly recurved, (terete), (1.5–) 2–3.5 (–4) × 0.15–0.25 mm, puberulent adaxially.

1 reference

d0_s11

Flowers: sepals oblong, 0.5–0.8 (–1) × 0.3–0.5 mm;

1 reference

d0_s12

petals (absent or rudimentary) white, filiform, 0.3–0.9 mm, claw absent;

1 reference

d0_s13

stamens 2, median;

1 reference

d0_s14

filaments 0.6–1 (–1.8) mm;

1 reference

d0_s15

anthers 0.1–0.2 mm.

1 reference

d0_s16

Fruits obovate to obovate-suborbicular, (2–) 2.5–3 (–3.5) × 1.5–2.5 (–3) mm (widest beyond middle), apically winged, apical notch 0.2–0.4 mm deep;

1 reference

d0_s17

valves thin, smooth, not veined, glabrous or sparsely puberulent (at least on margin);

1 reference

d0_s18

style 0.1–0.2 mm, included in apical notch.

1 reference

d0_s19

Seeds ovate, 1.1–1.3 (–1.5) × 0.8–0.9 mm. 2n = 32.

1 reference

d0_s20

morphology statement

simple

1 reference

d0_s2

orientation

erect

1 reference

d0_s2

branched

distally

1 reference

d0_s2

1

2.5

1 reference

d0_s2

5

6.5

1 reference

d0_s2

2.5

5

1 reference

d0_s2

leaf

arrangement

rosulate

1 reference

d0_s4

leaf petiole

1.5

2

1 reference

d0_s5

leaf petiole

0.5

1.5

1 reference

d0_s5

oblanceolate

1 reference

d0_s6

spatulate

1 reference

d0_s6

oblong

1 reference

d0_s6

spatulate

1 reference

d0_s6

oblong

1 reference

d0_s6

1.5

2.5

1 reference

d0_s6

8

11

1 reference

d0_s6

2.5

8

1 reference

d0_s6

10

20

1 reference

d0_s6

5

10

1 reference

d0_s6

serrate

coarsely

1 reference

d0_s6

pinnatifid

1 reference

d0_s6

leaf

petiolate

shortly

1 reference

d0_s7

oblanceolate

narrowly

1 reference

d0_s8

linear

1 reference

d0_s8

0.7

1.3

1 reference

d0_s8

6.2

8

1 reference

d0_s8

1.3

6.2

1 reference

d0_s8

0.5

1.5

1 reference

d0_s8

10

18

1 reference

d0_s8

1.5

10

1 reference

d0_s8

inflorescence phyllaries base

attenuate

cuneate

1 reference

d0_s8

inflorescence phyllaries base

auriculate

not

1 reference

d0_s8

entire

usually

1 reference

d0_s8

serrate

irregularly

1 reference

d0_s8

dentate

1 reference

d0_s8

pinnatifid

rarely

1 reference

d0_s8

inflorescence

elongated

considerably

1 reference

d0_s9

leaf rachis

puberulent

1 reference

d0_s10

course

straight

1 reference

d0_s11

size

slender

1 reference

d0_s11

subclavate

1 reference

d0_s11

orientation

divaricate-ascending

horizontal

1 reference

d0_s11

course

straight

1 reference

d0_s11

orientation

recurved

slightly

1 reference

d0_s11

puberulent

adaxially

1 reference

d0_s11

oblong

1 reference

d0_s12

0.8

1

1 reference

d0_s12

0.5

0.8

1 reference

d0_s12

0.3

0.5

1 reference

d0_s12

inflorescence flower petal

coloration

white

1 reference

d0_s13

inflorescence flower petal

filiform

1 reference

d0_s13

inflorescence flower petal

0.3

0.9

1 reference

d0_s13

inflorescence flower petal claw

presence

absent

1 reference

d0_s13

inflorescence flower stamen

quantity

2

1 reference

d0_s14

inflorescence flower stamen

position

median

1 reference

d0_s14

inflorescence flower androecium stamens filament

1

1.8

1 reference

d0_s15

inflorescence flower androecium stamens filament

0.6

1

1 reference

d0_s15

inflorescence flower anther

0.1

0.2

1 reference

d0_s16

obovate

obovate-suborbicular

1 reference

d0_s17

2

2.5

1 reference

d0_s17

3

3.5

1 reference

d0_s17

2.5

3

1 reference

d0_s17

2.5

3

1 reference

d0_s17

1.5

2.5

1 reference

d0_s17

winged

apically

1 reference

d0_s17

thin

1 reference

d0_s18

relief

smooth

1 reference

d0_s18

veined

not

1 reference

d0_s18

glabrous

1 reference

d0_s18

puberulent

sparsely

1 reference

d0_s18

inflorescence flower gynoecium pistil style

0.1

0.2

1 reference

d0_s19

ovate

1 reference

d0_s20

1.3

1.5

1 reference

d0_s20

1.1

1.3

1 reference

d0_s20

0.8

0.9

1 reference

d0_s20

chromosome

quantity

32

1 reference