Cynanchum insulanum (Hance) Hemsl.

Species

Angiosperms > Gentianales > Apocynaceae > Cynanchum

Characteristics

Herbs, glabrous except for pubescent nodes, petioles, and leaf margin. Rhizome nodes sometimes forming globose tubers. Stems twining, to 60 cm. Leaves opposite; petiole 1-15 mm; leaf blade oblong-hastate, ovate-triangular, to linear-lanceolate, 1-4 × 0.1-1.5 cm, base rounded to subcordate-hastate, apex acute or short apiculate; lateral veins 5 or 6 pairs. Inflorescences umbel-like, much shorter than leaves, 4-or 5-flowered. Sepals oblong, ca. 1 × 0.5 mm, acute; basal glands 5. Corolla greenish white, subrotate; tube ca. 0.5 mm; lobes ovate-oblong, ca. 2 × 1 mm, acute. Corona tube cupular, thin membranous, ca. 2 mm, longer than gynostegium, longitudinally plicate; anthers nearly square, appendages ovate; pollinia oblong. Stigma head capitate, included within anthers. Follicles lanceolate, 4.5-5 cm × 7-8 mm, with 2 inconspicuous longitudinal ridges, glabrous. Seeds oblong, ca. 3 mm; coma ca. 2 cm.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses -
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 insulanum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:96286-1
WFO ID wfo-0000633184
COL ID 338SW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cyathella insulana Cynanchum insulanum Cynoctonum insulanum Vincetoxicum insulanum

Lower taxons

Cynanchum insulanum var. lineare Cynanchum insulanum var. insulanum