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Rubiaceae

茜草科

特徵描述
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特徵描述

作者

LIU, Ho-Yih, YANG, T. Y. Aleck, LI, Sung-Po and LI, Hen-Jung

型態特徵

Trees, shrubs, lianas, or herbs. Leaves simple, mostly entire, commonly decussately opposite, often with connate interpetiolar stipules, or sometimes whorled, or rarely stipules intrapetiolar. Inflorescence basically cymose, terminal or lateral, rarely solitary flowers. Flowers mostly complete, rarely unisexual, nearly always epigynous, often heterostyle, zoophilous or rarely anemophilous, actinomorphic or rarely zygomorphic, often tetramerous or pentamerous. Calyx adnate to the ovary, aestivation open, lobes minute or obsolete, sometimes one or more enlarged and colored. Corolla sympetalous, salverform, rotate or funnelform. Stamens as many as and alternate corolla lobes, attached within corolla tube or at mouth; anthers dithecal, opening longitudinally. Ovary nearly always inferior, often bicarpellate; style single, terminal; stigma capitate or lobed. Fruit a capsule, berry, drupe, or schizocarp.

About 630 genera, especially abundant in tropical and subtropical regions; 38 genera in Taiwan.

參考文獻

Timonius 貝木屬

作者

YANG, T. Y. Aleck

型態特徵

Trees or shrubs. Leaves opposite or in 3-whorled; stipules deciduous. Flowers axillary, unisexual, dioecious, solitary or in cymes, peduncles long; calyx-tube short, truncate, persistent; corolla coriaceous, funnelform, pubescent outside, glabrous inside, 4(–10)-lobed, valvate in bud; male Inflorescence: in cymes with a few to many secund flowers, stamens 4 to many, on throat of corolla, filaments short, rudimentary styles short, included, discs hairy; female Inflorescence: 1-flowered, usually with a long pedicel, rudimentary stamens short, linear, styles short, stigma 4 to many-lobed, ovary many-celled; ovules 1, pendulous in each cell. Fruits ovoid or globular, epicarps fleshy. Seeds cylindrical.

參考文獻

標本列表

學名 中名 標本數