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.
屬
About 630 genera, especially abundant in tropical and subtropical regions; 38 genera in Taiwan.
參考文獻
Randia 茜草樹屬
作者
LIU, Ho-Yih, YANG, T. Y. Aleck, LI, Sung-Po and LI, Hen-Jung
型態特徵
Trees, shrubs or twiners; unarmed or spiny. Leaves opposite, rarely whorled, or with one leaf of each pair reduced, penninerved, petiolate; stipules interpetiolar, entire. Flowers solitary, few to many, terminal or axillary, often at apex of brachyblasts, bisexual; calyx campanulate, lobes 4 or 5(–10); corolla funnelform or salverform, white or yellow, throat hairy or glabrous; lobes 4–5(–10), contorted; stamens 4 or 5(–8), inserted in throat or at apex of tube, anthers sessile or filaments very short, included or exserted; ovary completely or incompletely 2-celled, ovules many per cell, style cylindrical, exserted, stigma fusiform, entire or 2-lobed; fruit a berry; seeds several, angular.