Lepidium dictyotum A.Gray

Alkali pepperweed (en)

Species

Angiosperms > Brassicales > Brassicaceae > Lepidium

Characteristics

Annuals; hirsute. Stems few to several from base, erect to ascending, or (outer ones) decumbent, unbranched, (0.15-) 0.3-1.3(-2.1) dm. Basal leaves (soon withered); not rosulate; petiole 0.5-2 cm; blade pinnatifid to pinnatisect (lobes linear to narrowly oblong), (1.5-)2.2-5.7(-7) cm × (0.5-)1-2(-3) mm, margins entire. Cauline leaves sessile; blade usually linear, rarely with linear lobes, 1-5 cm × 0.5-2 mm, base attenuate, not auriculate, margins entire. Racemes elongated, (dense) in fruit; rachis hirsute, trichomes straight, cylindrical. Fruiting pedicels erect to slightly ascending, straight and appressed to rachis or distally slightly recurved, (strongly flattened), (1.6-) 1.9-2.5(-3) × 0.4-0.8 mm (width proximal to apex), usually hirsute or, rarely, only adaxially. Flowers: sepals oblong to ovate, 0.7-1.1 × 0.2-0.6 mm; petals absent; stamens 4, median; filaments 0.5-1 mm; anthers ca. 0.1 mm. Fruits ovate, 2.5-3.5 × 2-2.8 mm, apically winged, apical notch (closed, often U-shaped), 0.5-0.7(-0.8) mm deep; valves thin, smooth, strongly reticulate-veined, usually hirsute, rarely glabrous; style absent or obsolete, included in apical notch. Seeds ovate, 1.2-1.8 × 0.8-1.2 mm.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.15
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 4-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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Images

Lepidium dictyotum unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:286147-1
WFO ID wfo-0001216681
COL ID 6P8ZN
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lepidium dictyotum Nasturtium dictyotum Lepidium dictyotum var. dictyotum Lepidium acutidens var. microcarpum Lepidium dictyotum var. macrocarpum