特徵描述
作者
HSIEH, CHANG-FU, LING, LAI-KUAN and YANG, KUOH-CHENG
型態特徵
Erect evergreen trees or shrubs. Leaves alternate, simple, usually serrate, penninerved, estipulate. Flowers axillary, rarely terminal, solitary, occasionally fasciculate, actinomorphic, usually bisexual, often with 2 bracts below the calyx. Sepals mostly 5, imbricate, free or very shortly united, often unequal. Petals 5, rarely 4 to many, free or basally connate, imbricate. Stamens numerous, rarely as few as 5, free or connate below, usually adnate to base of petals. Ovary superior, rarely half-inferior, mostly 3–5-celled, ovules 2 to many in each cell, placentas axile; styles as many as carpels, free or partly connate. Fruit a berry or drupaceous, but often capsular; seeds 1 to many, winged or wingless; embryo large, straight or curved; endosperm present or absent, rarely abundant.
屬
Nearly 17 genera, with about 600 species; mostly distributed in eastern and southeastern Asia, with several genera in South America, Central America, Africa and southeastern United States; nine genera in Taiwan.
參考文獻
Polyspora 大頭茶屬
作者
SU, MONG-HUAI and HSIEH, CHANG-FU
型態特徵
Trees. Leaves coriaceous, spirally arranged. Flowers solitary, axillary, pedicels with 4–7 bracteoles; sepals 5, imbricate, unequal, persistent; petals 5–6, unequal, connate at the base, stamens numerous, connate at the base and adhering to the petals, anthers dorsifixed; ovary 3–5-celled, ovules 4–8 in each cell, pendulous; styles slender, with 3–6-lobed stigmas. Capsule woody, oblong, open loculicidally, with a solid persistent columella; seeds several, compressed, obliquely winged above; endosperm thin.
