Cynanchum ovalifolium Wight

Species

Angiosperms > Gentianales > Apocynaceae > Cynanchum

Characteristics

Herbaceous vine; latex white. Leaves with petiole 28–32 mm long; lamina herbaceous, ovate-lanceolate to lanceolate, to 12 cm long, to 7 cm wide, cordate to cuneate at base, acuminate; secondary veins 10–13 each side of midrib; colleters 2. Inflorescence of 1–10 fascicles. Flowers c. 4 mm long, 6–7 mm diam.; pedicels 4–7 mm long. Sepals ovate, c. 1.5 mm long. Corolla rotate, cream; tube 1–1.5 mm long, c. 3 mm diam.; lobes ovate-oblong, 4–5 mm long, 1–3 mm wide, somewhat pouched in middle. Gynostegial corona highly fused, cream, tubular with c. 15 irregular lobes. Follicles fusiform-ovoid, 7–8.5 cm long.
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A creeper climber. The branches are greyish-brown to blackish-brown. It has thick oval leaves. They are opposite and leathery. The leaves are simple and 7-12 cm long by 3.5-7 cm wide. They have a sharp tip. The leaves are dark green and shiny on the top surface and light green underneath. They have yellow veins. The flowers occur on stalks of equal length arising from the same point. They are 6-7 mm across. There are 5 petals. The fruit is a boat shaped dry sac. It is roughly triangular in cross section.
Life form perennial
Growth form herb
Growth support climber
Foliage retention evergreen
Sexuality hermaphrodite
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Environment

A tropical plant. It grows in mangrove swamps on the ground and climbing up trees. In northern Australia it grows from sea level to 300 m altitude.
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Grows in vine forests andvine thickets.
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Hardiness (USDA) 8-12

Usage

CAUTION: Many Cynanchum are poisonous. The fruit are reported as eaten by children.
Uses food medicinal poison
Edible fruits leaves
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Cultivation

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Distribution

Cynanchum ovalifolium world distribution map, present in Australia, Indonesia, Iceland, Malaysia, Philippines, Papua New Guinea, and Singapore

Identifiers

LSID urn:lsid:ipni.org:names:96461-1
WFO ID wfo-0000633422
COL ID 338Z5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cynanchum crassifolium Cynanchum javanicum Cynanchum ovalifolium Cynanchum zollingeri Cynoctonum ovalifolium Cynoctonum zollingeri Cynanchum laeve Cynanchum luzonicum Cynoctonum blumei Holostemma laeve Marsdenia javanica Vincetoxicum laeve Vincetoxicum zollingeri Cynanchum ovalifolium var. angustifolium