特徵描述
作者
LIU, Ho-Yih
型態特徵
Herbs or shrubs, rarely trees or vines; some species hemiparasitic or parasitic. Leaves opposite or alternate, rarely whorled; exstipulate. Flowers in racemes, spikes, or thyrsoid panicles or solitary; perfect, usually irregular. Calyx lobes 5 or 4, rarely 1 or 2 by fusion. Corolla sympetalous, 4 or 5-lobed, often 2-lipped. Stamens epipetalous, usually 4 and didynamous, or 4 fertile and 1 sterile, rarely 2 or 5; anthers 1 or 2-celled, cells distinct or more or less confluent. Disc annular or cup-shaped. Ovary superior, 2-celled; style simple or sometimes forked; stigma capitate, dilated, or 2-lobed. Fruit a capsule, rarely baccate. Seeds small, hilum lateral or ventral.
屬
About 220 genera, worldwide; 25 genera in Taiwan.
參考文獻
Hemiphragma 腰只花屬
作者
LIU, Ho-Yih
型態特徵
Perennial herbs; stems prostrate, much branched, diffuse, pubescent. Leaves dimorphic, stem leaves opposite, short-petiolate, leaves on branches fascicled. Flowers solitary, axillary; calyx campanulate, deeply cleft, 5-lobed, ebracteolate; corolla rosy, tubular, lobes 5, subequal, the upper 2 lobes innermost in bud; stamens 4, inserted leaves near base of corolla, subequal, filaments short, anthers distinct, 2-celled, tips of locules confluent; style simple, stigma capitate or 2-lobed. Capsule much larger than persistent calyx, septicidally dehiscent, valves entire or bifid. Testa of seeds smooth.
