39. Cleidiocarpon Airy Shaw, Kew Bull. 19: 313. 1965.
蝴蝶果属 hu die guo shu
Authors: Huaxing Qiu & Michael G. Gilbert
Sinopimelodendron Y. Tsiang.
Trees, monoecious; indumentum of short stellate hairs, very sparse. Leaves alternate; stipules small; petiole flat above, base and apex slightly swollen, apex usually with 2 (indistinct) glands; leaf blade entire; venation pinnate. Inflorescence terminal and subterminal, unbranched, grouped into panicles, bisexual or unisexual, male flowers distal, in 1-13-flowered glomerules widely spaced along axis, female flowers 1-6 along lower part. Male flowers: calyx lobes 3-5, valvate; petals absent; disk absent; stamens 3-5; filaments free; anthers 4-locellate, dorsifixed; pistillode columnar, small, glabrous. Female flowers: epicalyx lobes small, alternating with sepals, caducous; sepals 5-8, imbricate, persistent; petals absent; disk absent; ovary 2-locular; ovules 1 per locule; styles connate below, spreading, 3-5-lobed above, lobes 2-lobed, papillose. Fruit a drupe, 1- or 2-locular, 1- or 2-lobed; style base persistent, stellate-tomentulose. Seeds subglobose; aril and caruncle absent.
Two species: China, Myanmar, W Thailand, N Vietnam; one species in China.