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
Ophiorrhiza 蛇根草屬
作者
LIU, Ho-Yih, YANG, T. Y. Aleck, LI, Sung-Po and LI, Hen-Jung
型態特徵
Annual or perennial herbs, or occasionally undershrubs; stems erect, ascending or decumbent. Leaves opposite, penninerved, subsessile or petiolate, entire; stipules interpetiolar, entire or lobed. Flowers in umbelliform or corymbiform cymes, terminal or in upper leaf axils, bisexual, heterostylous; bracts or bracteoles none to leaf-like; calyx urceolate, lobes 5, persistent; corolla tubular or tubular-funnelform, white, swollen insertion of stamens, lobes 5, valvate; stamens 5, adnate near apex of tube in some individuals, and adnate near base of tube other individuals, included; ovary 2-celled, ovule numerous per cell, style filiform, included or exserted, stigma 2-lobed or branched, sometimes coherent; fruit a transversely compressed capsule, obcordate to obdeltoid, dehiscing by a long transverse slit, 2-valved; seeds angular.
