特徵描述
屬列表
Aphananthe 糙葉樹屬
Celtis 朴屬
Trema 山黃麻屬
Ulmus 榆屬
Zelkova 櫸屬
標本列表
Celtis 朴屬
型態特徵
Monoecious or rarely polygamous, shrubs or trees. Leaves alternate, entire, or serrate in upper portion, 3-nerved (in Taiwan); stipules free, lateral, caducous. Inflorescences axillary, racemose or paniculate. Flowers unisexual or bisexual; calyx 4 or 5-parted, united at base; stamens 4 or 5, inserted on the densely pilose receptacle; anthers dorsifixed, extrorse; ovary ovoid-ellipsoid. Drupe fleshy, ovoid, ellipsoid or globose; endocarp hard and persistent, smooth, ridged or pitted; endosperm scanty or wanting; embryo curved.
About 100 species in temperate and tropical regions. Five species in Taiwan.
