Description:
Woody climbers, younger stems usually greyish-pubescent, older ones glabrous, densely lenticellate. Leaves opposite, ovate or broadly elliptic, entire, with two glands near apex of petiole; stipules very small. Inflorescence racemose, terminal; many-flowered; pedicels articulated, 2-bracteolate. Flowers regular, bisexual. Sepals oblong, sericeous outside, persistent. Petals oblong, shortly unguiculate, carinate, entire, bright yellow. Stamens with glabrous basifixed anthers; filaments of outer whorl longer and broader at base. Ovary globose; only 1 (very seldom 2) styles fully developed, terete. Fruit subligneous; lateral wing divided into 6 oblanceolate-linear, usually denticulate lobes, dorsal crest with a spine 8-10 mm long. Seeds subglobose, with a short acumen formed by the radicle.
Distribution:
Species 22, mainly in Madagascar, but with 1 species known from SE Asia and 1 from the African continent: Tristellateia africana S.Moore; in sthn trop. Afr. only in Mozambique.
Source:
SSTA
Classification:
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