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
Legazpia 三翅萼屬
作者
LIU, Ho-Yih
型態特徵
Perennial herbs; stems prostrate, much branched. Leaves opposite, petiolate, serrate. Flowers axillary, solitary or in 2–4-flowered umbels; calyx tubular, 3-dentate, tube broadly 3-winged, wings suborbicular, 2-braceteolate or ebracteolate; corolla purplish blue or white, funnelform, lobes 5, bilabiate, upper 2 lobes outermost in bud; stamens 4, included, didynamous, anterior filaments with spur-like appendages near base, anthers confluent, 2-loculed, locules in line with each other; style simple, stigma bilamellate. Capsule enclosed by calyx, septicidally dehiscent, valves 2. Testa of seeds reticulate.
