Cynanchum africanum (L.) Hoffmanns.

Species

Angiosperms > Gentianales > Apocynaceae > Cynanchum

Characteristics

Perennial climber, up to 1 m long; basally woody, bark brown. Leaves coriaceous, ovate, 20-30 x 10-15 mm, base cordate to rounded, apex mucronate; glabrous; petioles 2-6 mm long. Inflorescences umbelliform, 4-7-flowered, with all flowers open at same time. Peduncle 10-20 mm long. Pedicels 4-12 mm long, glabrous. Buds: aestivation basally imbricate and apically contorted. Flowers purple to brown, sweetly scented. Corolla rotate, basally fused; lobes reflexed, twisted, 6-12 x 1.8-2.2 mm. Corona white, tubular, taller than gynostegium, 6-10 mm tall. Anthers deltoid. Flowering time (June-)Sept.-Dec. Follicles obclavate, 40-60 x 9-11 mm, brown.
More
Climber, up to 500 mm tall, pubescent, sap milky. Leaves somewhat fleshy, ovate to elliptic-oblong, up to 25 x 18 mm, dark green above, paler below. Flowers 5-10, opening together in extra-axillary, umbel-like clusters, on peduncles 5-30 mm long, pedicels up to 5 mm long. Corolla rotate, lobed to near base, lobes ascending, twisted in upper half, 5-8 x 2 mm, brown. Corona tubular, with 10 spreading lobules at mouth, 5-8 x 3 mm, white, staminal column ± as long as corona, with long stipe.
Climber to 60 cm, with horizontal runners, sometimes hairy; sap milky. Leaves opposite, ovate, slightly fleshy. Flowers in extra-axillary clusters, brown sometimes green with twisted petals, corona white, twice as deep as wide, gynostegium clearly stalked, as long as corona.
Life form perennial
Growth form herb
Growth support climber
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25 - 0.26
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses medicinal poison
Edible -
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 -

Images

Cynanchum africanum unspecified picture

Distribution

Cynanchum africanum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:95995-1
WFO ID wfo-0000632759
COL ID 338F6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Periploca africana Periploca pallida Cynanchum intermedium Cynanchum rotundifolium Cynanchum africanum Cynanchum africanum Cynanchum crassifolium Cynanchum pilosum Cynoctonum pilosum Vincetoxicum africanum Vincetoxicum pilosum Cynanchum africanum var. crassifolium Cynanchum obtusifolium var. pilosum Cynoctonum crassifolium var. pilosum Cynanchum africanum var. africanum