山铜材属 shan tong cai shu

Trees, evergreen; branchlets stout, with distinct nodes; buds compressed globose, glabrous. Leaves long petiolate; stipules thickly leathery, enclosing buds, caducous, leaving annular scar at each node; leaf blade tricuspidate or simple, broadly ovate-rounded, thickly leathery, margin entire, venation actinodromous. Inflorescence densley spicate, terminal or subterminal, 12–16-flowered; bracts 2. Flowers bisexual. Sepals and petals absent. Stamens 8, filaments somewhat longer than anthers; anthers ovoid, thecae 2-sporangiate, each dehiscing by 2 valves, connective produced. Ovary inferior; ovules 6 per locule; styles very short; stigmas papillose. Capsules ovoid-globose, dehiscing loculicidally above middle by two 2-lobed valves; exocarp woody, endocarp thick and hard. Seeds ellipsoid; seed coat thick and hard; endosperm fleshy; embryo straight,

One species.

Lower Taxon

• Chunia bucklandioides H. T. Chang