Cynanchum purpureum (Pall.) K.Schum.

Species

Angiosperms > Gentianales > Apocynaceae > Cynanchum

Characteristics

Herbs erect, to 60 cm tall. Rootstock a fleshy taproot to at least 2 cm thick. Stems few branched, hispid, densely so toward base of young stems, hollow when dry. Leaves opposite, usually grouped at branch apex; leaf blade linear or linear-lanceolate, 1-3 cm × 2-7 mm, sparsely villous, densely ciliate. Inflorescences terminal, umbel-like, often compound, hemispherical, 4-7 cm; peduncle to 5 cm, sparsely villous. Pedicel 5-10 mm, sparsely villous. Sepals lanceolate, 2-4 × 0.7-0.8 mm, pubescent; small basal glands present. Corolla purple, rotate, glabrous; tube ca. 1 mm; lobes linear-lanceolate, 5-10 × 1.5-2 mm. Corona pale, tubular, ca. 2 × gynostegium, 5-6 mm, membranous, marginal teeth 1-1.5 mm. Pollinia oblong. Stigma head cylindric. Follicles compressed fusiform, ca. 7.5 × 1 cm, both ends acute. Seeds oblong, ca. 7 × 3 mm, apex irregularly toothed; coma ca. 1.5 cm, tawny. Fl. May-Jun, fr. Jun-Oct.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6
Root system rhizome tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses medicinal
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 -

Distribution

Cynanchum purpureum world distribution map, present in China, Liberia, Mongolia, and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:96519-1
WFO ID wfo-0000633498
COL ID 33936
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Asclepias davurica Cyathella purpurea Cynanchum dahuricum Cynanchum davuricum Cynanchum roseum Cynoctonum purpureum Cynoctonum roseum Vincetoxicum purpureum Asclepias purpurea Cynanchum purpureum