Lepidium apetalum Willd.

Species

Angiosperms > Brassicales > Brassicaceae > Lepidium

Characteristics

Herbs annual or biennial, (5-)10-25(-40) cm tall, puberulent with clavate or capitate trichomes. Stems erect, branched basally and above. Petiole of basal leaves (0.5-)1-3 cm; leaf blade oblong, lanceolate, or oblanceolate, 1.5-4(-5) × 0.7-1.2(-1.5) cm, pinnatifid, sinuate, or dentate. Upper cauline leaves sessile; leaf blade narrowly lanceolate, linear-oblong, or linear, 0.6-3(-4) cm × 1-3(-5) mm, base subauriculate or sometimes cuneate, margin remotely serrate or entire, apex acute to subobtuse. Fruiting pedicels slender, often recurved, 2-4(-5) mm, puberulent only adaxially with clavate or capitate trichomes, slightly flattened or narrowly winged. Sepals caducous, oblong, 0.7-0.8 × 0.3-0.4 mm, glabrous or puberulent, white at margin and apex. Petals absent, or rudimentary, linear, ca. 0.3 mm. Stamens 2; filaments 0.7-0.8 mm; anthers broadly ovate, 0.1-0.2 mm. Fruit broadly elliptic, 2.2-3.1 × 1.7-2.3 mm, widest at middle, apex narrowly winged; apical notch 0.1-0.3 mm; style 0.05-0.15 mm, included in apical notch. Seeds reddish brown, ovate-oblong, 1.1-1.3 × 0.6-0.8 mm, wingless, finely papillate; cotyledons incumbent. Fl. Apr-Aug, fr. May-Sep.
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A cabbage family herb. It can grow for one or two years. It grows 30 cm high. It has many branches. The lower leaves near the base are divided in short narrow lobes. They are 3-5 cm long by 1 cm wide. The upper leaves are narrow. The flowers are in groups or 20-30. The flowers are small. They have almost no petals.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.28
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Steppes, solonetzic soils, roadsides and weed-infested places. Roadsides, slopes, waste places, ravines, plains and fields at elevations of 400-4800 metres in China.
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It is a subtropical to temperate plant. In Yunnan. In Sichuan.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-11

Usage

The leaves are cooked in water and eaten.
Uses fodder medicinal
Edible flowers leaves
Therapeutic use Cough (seed), Dyspnea (seed), Edema (seed), Oliguria (seed), Bactericide (unspecified), Cold (unspecified), Expectorant (unspecified), Cough (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Lepidium apetalum unspecified picture

Distribution

Lepidium apetalum world distribution map, present in China, India, Nepal, Pakistan, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:286042-1
WFO ID wfo-0000358532
COL ID 6P9HL
BDTFX ID 38532
INPN ID 105649
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lepidium incisum Lepidium apetalum Lepidium micranthum Thlaspi apetalum Crucifera apetala Lepidium chitungense Lepidium incisum