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
Mussaenda 玉葉金花屬
作者
YANG, T. Y. Aleck
型態特徵
Scandent shrubs, rarely erect. Leaves opposite, ovate to oblong; petiolate; stipules usually 2-lobed. Flowers in terminal cymes, unisexual, dioecious or bisexual, heterostyles; corolla tubular or funnelform, 5-lobed, valvate in bud, the lobes linear to lanceolate, one of the lobes usually enlarged into a yellowish-white petaloid segment; male flowers: stamens as many as the lobes, in throat of corolla or below the throat, densely villous, the rudimentary style inserted, much shorter than corolla; female flowers: styles cylindrical or filiform, as long as corolla, stigma 2-lobed, lobes linear or rodform, ovary 2-celled; ovules many in each cell; rudimentary stamens empty, in throat or below. Fruit a berry. Seeds many.
