Cynanchum virens (E.Mey.) D.Dietr.

Species

Angiosperms > Gentianales > Apocynaceae > Cynanchum

Characteristics

Perennial climber, up to 1 m long; basally woody, yellowish bark. Leaves lanceolate, 30-50 x 15-30 mm, glabrous with veins and margins hairy below, base cordate, apex acute; petioles 10-25 mm long. Inflorescences cymose to umbelliform, 7-15-flowered, with 3-8 flowers open at same time. Peduncle 2-10 mm long. Pedicels 5-7 mm long, glabrous. Buds: aestivation imbricate. Flowers green to white. Corolla rotate, basally fused; lobes spreading, twisted, 6-8 x 1.0-1.5 mm. Corona white, cyathiform, taller than gynostegium, 5.0-5.5 mm tall. Anthers trapezoid. Flowering time Nov.-Mar. Follicles obclavate, 50-60 x 15-20 mm, brown to dark brown.
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Perennial herb. Stems twining. Leaves with blade heart-shaped, 25-80 mm long. Flowers: style head conical; corona dorsiventrally flattened, tapering into a long fine needle-like apex, lobes 2-4 mm long; staminal column not stipitate; corolla lobes 4-6 mm long, twisted, puberulous inside; corolla white; Nov.-Feb. Fruit a winged follicle.
A tall slender climber. The stems are twining. The leaves have long stalks. The leaves are simple, opposite and heart shaped. They can have a few hairs. There are 3-15 flowers in a group in the axils of leaves. The flowers are small and 5 mm long. They are white. The fruit is a long smooth follicle that tapers into a beak.
Twining perennial herb. Leaf blade 25-80 mm long, base cordate, apex acute. Corolla lobes 4-6 mm long, twisted, puberulous inside. Corona lobes 2-4 mm long. Staminal column not stipitate. Flowers white.
Life form perennial
Growth form herb
Growth support climber
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01 - 0.01
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A subtropical plant.
Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

CAUTION: The roots are cooked and eaten.
Uses invertebrate food
Edible leaves roots
Therapeutic use -
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 -

Distribution

Cynanchum virens world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:96681-1
WFO ID wfo-0000633728
COL ID 33998
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Vincetoxicum virens Cynoctonum virens Cynanchum virens Endotropis meyeri