Lepidium didymum Linnaeus (Q3724)

taxon name

Lepidium didymum

1 reference

taxon authority

Linnaeus

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

corne-de-cerf didyme (French)

1 reference

sénebière didyme (French)

1 reference

corne-de-cerf à deux lobes (French)

1 reference

lesser swinecress (English)

1 reference

lesser wartcress (English)

1 reference

VasCan taxon numeric id

3976

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-ON

present

introduced

1 reference

Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/

CA-QC

excluded

1 reference

Scoggan, H.J. 1978-79. The Flora of Canada. Parts 1-4. National Museum of Natural Sciences, Publications in Botany 7. 4 volumes.

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

Vascular Plant Herbarium (DAO), Agriculture and Agri-Food Canada, Ottawa, ON. http://res2.agr.ca/ecorc/dao/index_e.htm

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

FR-PM

present

introduced

1 reference

Etcheberry, R. 1989. Plantes de Saint-Pierre et Miquelon. Unpublished list (MT).

CA-BC

B.C.

1 reference

CA-NB

N.B.

1 reference

CA-NL

Nfld. and Labr. (Nfld.)

1 reference

CA-NS

N.S.

1 reference

CA-QC

Que.

1 reference

US-AL

Ala.

1 reference

US-AZ

Ariz.

1 reference

US-AR

Ark.

1 reference

US-CA

Calif.

1 reference

US-CT

Conn.

1 reference

US-FL

Fla.

1 reference

US-GA

Ga.

1 reference

US-LA

La.

1 reference

US-ME

Maine

1 reference

US-MD

Md.

1 reference

US-MA

Mass.

1 reference

US-MS

Miss.

1 reference

US-MO

Mo.

1 reference

US-NJ

N.J.

1 reference

US-NY

N.Y.

1 reference

US-NC

N.C.

1 reference

US-OH

Ohio

1 reference

US-OR

Oreg.

1 reference

US-PA

Pa.

1 reference

US-SC

S.C.

1 reference

US-TN

Tenn.

1 reference

US-TX

Tex.

1 reference

US-VA

Va.

1 reference

US-WV

W.Va.

1 reference

US-WI

Wis.

1 reference

South America

1 reference

also in Mexico (Sinaloa)

1 reference

Central America (Honduras)

1 reference

Europe

1 reference

Asia

1 reference

s Africa

1 reference

Australia

1 reference

parent taxon

Lepidium Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

5377060

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Mar–Jul.

1 reference

taxon habitat

roadsides

1 reference

waste areas

1 reference

lawns

1 reference

pastures

1 reference

fields

1 reference

gardens

1 reference

disturbed areas

1 reference

elevation

0-1000 m

1 reference

taxon description fragment

Stems few to several from base, erect to ascending or decumbent, branched distally, 1–4.5 (–7) dm.

1 reference

d0_s3

not rosulate;

1 reference

d0_s5

petiole 0.5–4 (–6) cm;

1 reference

d0_s6

blade 1-pinnatisect or 2-pinnatisect, 1–6 (–8) cm, margins (of lobes) entire or dentate (sometimes deeply lobed).

1 reference

d0_s7

Cauline leaves shortly petiolate to subsessile;

1 reference

d0_s8

blade similar to basal, smaller and less divided distally, lobes lanceolate to oblong or elliptic, 1.5–3.5 (–4.5) cm ×5–12 mm, base not auriculate, margins (of lobes) entire, serrate, or incised.

1 reference

d0_s9

Racemes elongated in fruit;

1 reference

d0_s10

rachis glabrous or pubescent, trichomes straight, cylindrical.

1 reference

d0_s11

Fruiting pedicels divaricate to horizontal, straight slightly recurved, (terete), 1.4–2.5 (–4) × 0.15–2 mm, glabrous or sparsely pubescent adaxially.

1 reference

d0_s12

Flowers: sepals (tardily deciduous), ovate, 0.5–0.7 (–0.9) mm;

1 reference

d0_s13

petals white, elliptic to linear, 0.4–0.5 × ca. 0.1 mm, claw absent;

1 reference

d0_s14

stamens 2, median;

1 reference

d0_s15

filaments 0.3–0.6 mm;

1 reference

d0_s16

anthers 0.1–0.2 mm.

1 reference

d0_s17

Fruits schizocarpic, didymous, 1.3–1.7 × 2–2.5 mm, apically not winged, apical notch 0.2–0.4 mm deep;

1 reference

d0_s18

valves thick, rugose, strongly veined, glabrous;

1 reference

d0_s19

style absent or obsolete, included in apical notch.

1 reference

d0_s20

Seeds ovate, 1–1.2 × 0.7–0.8 mm. 2n = 32.

1 reference

d0_s21

morphology statement

quantity

few

several

1 reference

d0_s3

orientation

erect

ascending or decumbent

1 reference

d0_s3

branched

distally

1 reference

d0_s3

4.5

7

1 reference

d0_s3

1

4.5

1 reference

d0_s3

leaf

rosulate

not

1 reference

d0_s5

leaf petiole

4

6

1 reference

d0_s6

leaf petiole

0.5

4

1 reference

d0_s6

1-pinnatisect

1 reference

d0_s7

2-pinnatisect

1 reference

d0_s7

6

8

1 reference

d0_s7

1

6

1 reference

d0_s7

entire

1 reference

d0_s7

dentate

1 reference

d0_s7

leaf

shortly petiolate

subsessile

1 reference

d0_s8

position

basal

1 reference

d0_s9

size

smaller

1 reference

d0_s9

divided

less; distally

1 reference

d0_s9

lanceolate

oblong or elliptic

1 reference

d0_s9

atypical length

3.5

4.5

1 reference

d0_s9

1.5

3.5

1 reference

d0_s9

5

12

1 reference

d0_s9

inflorescence phyllaries base

auriculate

not

1 reference

d0_s9

entire

1 reference

d0_s9

serrate

1 reference

d0_s9

incised

1 reference

d0_s9

serrate

1 reference

d0_s9

incised

1 reference

d0_s9

leaf rachis

glabrous

1 reference

d0_s11

leaf rachis

pubescent

1 reference

d0_s11

inflorescence flower

ovate

1 reference

d0_s13

inflorescence flower

0.7

0.9

1 reference

d0_s13

inflorescence flower

0.5

0.7

1 reference

d0_s13

coloration

white

1 reference

d0_s14

elliptic

linear

1 reference

d0_s14

0.4

0.5

1 reference

d0_s14

0.1

1 reference

d0_s14

inflorescence flower petal claw

presence

absent

1 reference

d0_s14

inflorescence flower stamen

quantity

2

1 reference

d0_s15

inflorescence flower stamen

position

median

1 reference

d0_s15

inflorescence flower androecium stamens filament

0.3

0.6

1 reference

d0_s16

inflorescence flower anther

0.1

0.2

1 reference

d0_s17

schizocarpic

1 reference

d0_s18

didymous

1 reference

d0_s18

1.3

1.7

1 reference

d0_s18

2

2.5

1 reference

d0_s18

winged

apically not

1 reference

d0_s18

inflorescence flower gynoecium pistil style

presence

absent

1 reference

d0_s20

inflorescence flower gynoecium pistil style

prominence

obsolete

1 reference

d0_s20

seed

ovate

1 reference

d0_s21

seed

1

1.2

1 reference

d0_s21

seed

0.7

0.8

1 reference

d0_s21

chromosome

quantity

32

1 reference

d0_s21

inflorescence raceme

elongated

1 reference

d0_s10

course

straight

1 reference

d0_s12

cylindrical

1 reference

d0_s12

divaricate

1 reference

d0_s12

orientation

horizontal

1 reference

d0_s12

course

straight

1 reference

d0_s12

orientation

recurved

slightly

1 reference

d0_s12

glabrous

1 reference

d0_s12

pubescent

sparsely; adaxially

1 reference

d0_s12

thick

1 reference

d0_s19

relief

rugose

1 reference

d0_s19

veined

strongly

1 reference

d0_s19

glabrous

1 reference