Cynanchum orangeanum (Schltr.) N.E.Br.

Species

Angiosperms > Gentianales > Apocynaceae > Cynanchum

Characteristics

Perennial, erect herb, up to 0.2 m high; basally woody with greyish bark. Leaves linear, 30-50 x 0.7-1.5 mm, glabrous, base decurrent, apex acute or obtuse, sessile. Inflorescences umbelliform, 1-5-flowered, with all flowers open at same time. Peduncle 0-5 mm long. Pedicels 3-7 mm long. Buds: aestivation imbricate. Flowers brown. Corolla rotate, basally fused; lobes incurved, margins revolute, 4-6 x 1.5-2.0 mm. Corona white, cyathiform, shorter than gynostegium, 4-5 mm tall. Anthers trapezoid. Flowering time Nov.-Mar. Follicles fusiform, 40-70 x 4-7 mm, light brown, strongly beaked apically.
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Erect, perennial herb, 100-200 mm high. Stems not twining. Leaves with blade linear, 30-50 x 0.7-1.5 mm. Flowers: in almost sessile, 1-5-flowered, subumbellate inflorescences; corona dorsiventrally flattened, tapering into a long fine needle-like apex; style head conical; corolla lobes basally united, 4-6 mm, brown; Oct.-Mar. Fruit a winged follicle.
An erect herb that keeps growing from year to year. It grows up to 20 cm tall. The leaves are simple and like threads. They are 3-5 cm long and 1 mm wide. The flowers are small and white to green. They occur as 1-5 in a group. The fruit are spindle shaped and occur in pairs with many seeds.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant. It grows in hot and arid zones. It is often on rocky or sandy soils. In southern Africa it grows between 1,000-1,500 m above sea level. It can grow in arid places.
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Open, sunny positions on flats, in sand, frequently red Kalahari sand, between rocks, short grassland; at elevations from 1,000-1,500 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The young fruit are eaten.
Uses food gene source medicinal
Edible fruits
Therapeutic use -
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 -

Distribution

Cynanchum orangeanum world distribution map, present in Botswana, Namibia, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:96457-1
WFO ID wfo-0000633417
COL ID 338YY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cynanchum orangeanum Flanagania orangeana