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
Centranthera 距蕊花屬
作者
LIU, Ho-Yih
型態特徵
Hemiparasitic herbs, erect, often drying black or dark brown; branches glabrous or hispid. Leaves opposite or the upper ones alternate, sessile, linear to lanceolate, entire or denticulate. Flowers solitary, axillary; calyx spatulate, split on one side, entire or 3–5-lobed, 2-bracetolate; corolla yellow or purple, tubular, lobes 5, subequal, upper lobes 2, innermost in bud; stamens 4, included, didynamous, filaments pilose, anthers distinct, 2-celled, cells separate, transverse, unequal, spurred or mucronate at base; style simple, stigma tongue-shaped, entire or shallowly 2-lobed. Capsule loculicidally dehiscent, valves 2. Testa of seeds reticulate.
