Lepidium lasiocarpum Nutt.

Shaggyfruit pepperweed (en)

Species

Angiosperms > Brassicales > Brassicaceae > Lepidium

Characteristics

Annuals; hirsute or hispid, (trichomes cylindrical). Stems usually few to several, rarely simple from base, erect to ascending or (outer ones) decumbent, branched distally, (0.15-)0.6-3(-3.8) dm. Basal leaves (later withered); not rosulate; petiole (0.4-) 1-3.5(-5) cm; blade spatulate to oblanceolate, lyrate-pinnatifid, pinnatisect, or 2-pinnatifid, (0.7-)1.5-4.5 (-7.5) cm × (9-)12-20(-30) mm, margins rarely dentate, (lobes) entire or dentate. Cauline leaves subsessile or petioles 0.8-2.2 cm, blade lanceolate to oblanceolate, (0.7-)1.2-3.3(-5) cm × (2-)4-12 mm, base cuneate, not auriculate, margins subentire to dentate. Racemes often considerably elongated in fruit; rachis hirsute or hispid, trichomes straight, cylindrical. Fruiting pedicels divaricate-ascending to horizontal, straight or slightly curved, (often strongly flattened), (1.8-)2-4(-4.6) × 0.2-0.7 mm (to 0.3 mm thick), hirsute to hispid throughout or adaxially. Flowers: sepals oblong, 1-1.3(-1.5) × 0.5-0.8 mm; petals (sometimes absent), white, oblanceolate to linear, (0.3-)0.6-1.5(-2) × (0.1-)0.2-0.5 mm, claw absent; stamens 2, median; filaments 1-1.4 mm; anthers 0.2-0.3 mm. Fruits ovate to ovate-orbicular, 2.8-4(-4.6) × 2.4-3.6(-4) mm, (base broadly cuneate to rounded), apically winged, apical notch (0.2-)0.3-0.6(-0.7) mm deep; valves thin, smooth, not veined, hirsute to hispid (on surface or margin); style obsolete or to 0.1 mm, included in apical notch. Seeds ovate, 1.4-2.2 × 0.9-1.4 mm.
More
A cabbage family herb.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It grows in arid places.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses medicinal
Edible seeds
Therapeutic use Disinfectant (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Lepidium lasiocarpum flower picture by Riley L (cc-by-sa)

Distribution

Lepidium lasiocarpum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:138042-2
WFO ID wfo-0001216384
COL ID 6PBFT
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lepidium lasiocarpum Lepidium georginum Nasturtium lasiocarpum Lepidium lasiocarpum var. georginum Lepidium lasiocarpum var. lasiocarpum Lepidium lasiocarpum subsp. georginum Lepidium lasiocarpum var. rosulatum Lepidium ruderale var. lasiocarpum Lepidium lasiocarpum subsp. lasiocarpum

Lower taxons

Lepidium lasiocarpum subsp. wrightii Lepidium lasiocarpum var. latifolium Lepidium lasiocarpum subsp. palmeri