Theaceae

茶科

Flora of Taiwan

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.

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

Camellia 山茶屬

作者

SU, MONG-HUAI, YANG, KUOH-CHENG, LING, LAI-KUAN and HSIEH, CHANG-FU

型態特徵

Trees or shrubs; leaves alternate, generally serrate. Flowers bisexual, axillary, solitary or 2–3- clustered, sessile or shortly pedicelled; pedicels 4–8-bracteolate; sepals 5 to many, distinct or not at all distinguishable from the lower bracteoles; petals 5–7, unequal, slightly connate at base; stamens numerous, outer ones connate to base of the petals, inner ones free; anthers versatile; ovary 3–5-celled, with 4–6 pendulous ovules in each, styles filiform, connate below. Fruit a capsule, woody, opening loculicidally, with a persistent central axis. Seeds not winged, embryo straight, radicle superior.