找植物
找標本
電子書

Rubiaceae

茜草科

特徵描述
屬列表
標本列表

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

Sinoadina 水冬瓜屬

作者

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

型態特徵

Trees. Leaves opposite, penninerved, petiolate; stipules interpetiolar, lobed.Inflorescences paniculate, of 3–11 globose heads, terminal or axillary. Flowers bisexual bracteolate; calyx campanulate, lobes 5, persistent; corolla tubular-funnelform, white, densely pubescent on both surfaces; lobes 5 valvate; stamens 5, included, inserted on upper part of corolla tube, filaments short, anthers sagittate; ovary 2-celled, ovules many per cell, style filiform, exserted, stigma capitate; fruit a capsule, septicidal with 2 valved, seeds winged.

參考文獻

標本列表

學名 中名 標本數