Dolichos angustissimus E.Mey.

Species

Angiosperms > Fabales > Fabaceae > Dolichos

Characteristics

Erect, robust suffrutex. Stems slender, up to 0.4 m high, not striate-ribbed. Leaflets long, linear-lanceolate, mucrons absent, (40-)60-100 x 2-6 mm, glabrous on both sides; petiole (7-)12-22 mm long; stipules lanceolate, 2-3 x 1-2 mm. Flowers in axillary racemes, peduncles longer than petioles, without warts, (20-)35-75 mm long, with (1)2 to 4 flowers; flowers 5-8 mm long; bracts lanceolate, 1-2 x 0.5-1.0 mm; bracteoles narrowly ovate, 1-2 x 1.0-1.5 mm. Calyx sparsely pubescent, with equal lips, upper lip 3-4 mm long, lower lip 3-4 mm long; carinal lobe length longer than lateral ones. Corolla purplish-pink to purple; standard broadly obovate, 7-8 x 7-8 mm, claw 2-3 mm long; wings obovate, 5-6 x 2-3 mm, claw 2-3 mm long; keel more or less equal to wings, 4-5 x 2-3 mm, claw 2-3 mm long. Ovary narrowly oblong, 4 to 6-ovuled, 5-6 mm long. Fruit crescent-shaped, 25-35 x 3-4(-6) mm, glabrescent, almost shiny, without warts along the margins, 4 to 6-seeded. Seeds brown or black.
More
Perennial herb, up to 0.5 m high; glabrous; stems several, tufted from base, often decumbent, tips sometimes twining. Leaves either pinnately or digitately trifoliolate. Leaflets 35-100 mm long, ± linear-lanceolate. Inflorescences axillary; peduncles either shorter than or exceeding petiole; flowers 1-several and then crowded in pairs. Petals: standard dull pink with a purple spot between upper pair of auricles. Style slightly dorsiventrally compressed, weakly channelled up inner face, bearded up inner face, base swollen.
A shrub. It is slender and twines upwards. The leaflets are narrow and long. They are 5-10 cm long. There are 2-4 flowers in a group. They are purple. The fruit is a pod with 6-8 seeds.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

It is a subtropical plant.
Light -
Soil humidity 1-3
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 30
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Dolichos angustissimus world distribution map, present in Namibia and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:492906-1
WFO ID wfo-0000179408
COL ID 376XD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tephrosia avasmontana Dolichos angustissimus