Laportea grossa (Wedd.) Chew

Species

Angiosperms > Rosales > Urticaceae > Laportea

Characteristics

Annual herb, monoecious. Stems soft, juicy, sometimes decumbent and rooting at nodes, up to 1 m high, glabrous or young parts with few stinging hairs mounted on long protuberances and with decurrent bases, deeply striate. Leaves broadly ovate, sometimes broader than long, (35-)65-130 x (35-)45-120 mm, each side with 4-7(-9) large, equal-sided, triangular teeth, apical tooth longer than broad, base cuneate to truncate, with whitish blotches, upper surface glabrous except for a single stinging hair in centre of each white blotch, lower surface with a few stinging hairs along 3 main veins especially near petiole; petiole 30-125 mm long, sometimes pink, with stinging hairs up to 1.5 mm long, on protuberances up to 2.5 mm long with long, usually decurrent bases on petiole, stiff hairs absent; stipules minute, early caducous. Female inflorescence paniculate, regularly branching, up to 80 x 30 mm; peduncle and axes with sparse long, stinging hairs. Male inflorescence paniculate, branching less, up to 50 mm long; peduncle glabrous or with a few stinging hairs. Female flowers 1.5 mm long. Male flowers 4-or 5-merous, 2 mm in diameter. Achenes with circular ridge near edge, smooth, ±1.75 mm long, dispersed with perianth.
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Annual herb, 0.3-1.0 m high; monoecious. Leaves ovate, 130 x 120 mm, stinging hairs in centre, glabrous above, few stinging hairs below, base truncate, with white blotches, apex acuminate, margins serrate; petioles up to 125 mm long; stipules minute, early caducous. Inflorescence paniculate, with few stinging hairs. Male flowers 4-or 5-merous, 2 mm in diam. Female flowers 1.5 mm long. Flowering time Dec.-Mar. Fruit smooth achenes, circular ridge near edge, ± 175 mm long.
A nettle herb. It grows each year from seed. The stems are soft. They can be lying down and form roots at the nodes. It grows 1 m tall. It can have a few stinging hairs. The leaves are broadly oval and 6.5-13 cm long by 4.5-12 cm wide. There are large teeth along the edge.
Monoecious annual to 1 m, with deflexed stinging hairs on raised base. Leaves triangular, coarsely toothed to lobed, sparsely armed, often spotted white. Flowers in axillary panicles, small, greenish.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Moist, shady places in coastal forest, forest, closed woodland and near streams.
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It is a subtropical plant. It usually grows along rivers.
Light -
Soil humidity 4-6
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

The leaves are cooked as a vegetable.
Uses medicinal
Edible leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Laportea grossa unspecified picture
Laportea grossa unspecified picture

Distribution

Laportea grossa world distribution map, present in Angola and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:854268-1
WFO ID wfo-0000445109
COL ID 3S9K7
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Laportea grossa Fleurya grossa