找植物
找標本
電子書

Theaceae

茶科

特徵描述
屬列表
標本列表

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.

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

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.

參考文獻

標本列表

學名 中名 標本數