Pentaphylacaceae
五列木科
特徵描述
[ Theaceae 茶科 ]
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
- HSIEH, CHANG-FU, LING, LAI-KUAN and YANG, KUOH-CHENG. 1996. Flora of Taiwan, second edition 2: 662. (Fl. Taiwan 2nd edit.)
- Keng, H. 1950. Taiwania 1: 223-268.
Anneslea 茶梨屬
作者
TSOU, CHIH-HUA
型態特徵
Evergreen trees; leaves alternate, crowded at branchlet-top, coriaceous. Flowers prefect, showy, long-pedicelled, solitary in the axils of upper leaves; sepals 5, fleshy, imbricate, persistent; petals 5, abruptly narrowed at about the middle, connate at various levels below the middle; stamens 30–40, scarcely adnate to the base of corolla; anthers linear, longer than the filaments, connective prolonged, needle-like; ovary semi-inferior to inferior, 2- or 3-celled; ovules pendulous, few to several in each cell; style filiform, persistent. Fruit inferior, baccate, subglobose, crowned by the calyx, pericarp thick.
About seven species in tropical and subtropical Asia, extending from southern China through Burma, Indo-China, Malaya, into Sumatra. One species endemic in Taiwan.