Cynanchum viminale (L.) L.

Species

Angiosperms > Gentianales > Apocynaceae > Cynanchum

Characteristics

Much-branched, trailing to shrubby succulent, up to 1 x 5 m, sap milky, stems terete, slightly articulated at nodes, grey-green, pubescent at tips, otherwise glabrous. Leaves scale-like, adpressed to stems, pubescent, soon falling. Flowers opening together in ± sessile, extra-axillary umbels of 5-20, sweetly scented. Corolla lobed nearly to base, rotate, 10-20 mm diam., yellow, lobes 4-8 x 2-3 mm, ovate-oblong. Corona white, outer series low and ring-like around base of gynostegium, inner of 5 fleshy swollen lobes adpressed to and slightly exceeding anthers. Fruits narrowly spindle-shaped, 4-6 mm diam., glabrous, erect.
More
Succulent woody liane or erect or sprawling subshrub. Stems to 6 mm diam., with brachysclereids in cortical tissue; flower-bearing stems 2–5 mm diam. Leaves vestigial, caducous. Inflorescence a racemose cyme; peduncle obsolete. Flowers 2.5–3 mm long, 9–10 mm diam.; pedicels 4–10 mm long. Corolla rotate, cream to cream-green; lobes lanceolate-ovate to ovate, 4–6 mm long, 1.9–3.6 mm wide, l:w ratio 1.7–2.8, glabrous. Annular corona absent; staminal corona cream to cream-green; lobes 1.3–1.5 mm long, 0.8–1 mm wide. Follicles fusiform, 5–8 cm long.
Perennial, succulent shrub, a crawler or climber, 0.2-5.0 m high. Leaves rudimentary. Flowers in lateral or terminal, sessile umbels, cream-coloured to yellowish green. Sepals ovate. Corolla rotate, deeply lobed, lobes 4-6 x 1.9-3.6 mm. Corona in 2 series, whitish, shorter than staminal column; outer corona consisting of free lobes; inner corona connate. Flowering time Dec.-Mar. Follicles narrowly fusiform, 78-180 x 6-14 mm, light brown.
Leafless, succulent scrambler or climber to 3 m, with smooth, grey-green stems; sap milky. Flowers in dense umbels, yellow, corona white, inner lobes swollen and incumbent on anthers and outer ring-like, fragrant.
Trailing or twining perennial shrub with succulent, leafless stems becoming woody. Umbels lateral and terminal, sessile; many-flowered. Flowers greenish white or sulphur-coloured.
A succulent shrub. It does not have leaves.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 5.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant.
Light -
Soil humidity -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

The young stems are eaten fresh.
Uses animal food food food additive gene source invertebrate food material medicinal poison social use vertebrate poison
Edible flowers fruits leaves roots shoots stems
Therapeutic use Alterative (unspecified), Fever (unspecified), Thirst (unspecified), Tonic (unspecified), Intoxicant (unspecified), Piscicide (unspecified)
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 viminale unspecified picture

Distribution

Cynanchum viminale world distribution map, present in Australia, Pakistan, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77120427-1
WFO ID wfo-0000633723
COL ID 33995
BDTFX ID -
INPN ID 672308
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Monostemma aphyllum Sarcostemma viminale Cynanchum aphyllum Cynanchum aphyllum Cynanchum viminale Euphorbia pendula Sarcostemma aphyllum Euphorbia viminalis Asclepias aphylla Cynanchum viminale Sarcostemma viminale subsp. viminale

Lower taxons

Cynanchum viminale subsp. stipitaceum Cynanchum viminale subsp. mulanjense Cynanchum viminale subsp. odontolepis Cynanchum viminale subsp. suberosum Cynanchum viminale subsp. crassicaule Cynanchum viminale subsp. australe Cynanchum viminale subsp. brunonianum Cynanchum viminale subsp. orangeanum Cynanchum viminale subsp. stocksii Cynanchum viminale subsp. thunbergii Cynanchum viminale subsp. welwitschii Cynanchum viminale subsp. viminale