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Scrophulariaceae

玄參科

特徵描述
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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.

About 220 genera, worldwide; 25 genera in Taiwan.

參考文獻

Microcarpaea 微果草屬

作者

LIU, Ho-Yih

型態特徵

Annual glabrous herbs, prostrate, much branched. Leaves opposite, sessile, entire. Flowers solitary, axillary, sessile; calyx campanulate-tubular, 5-lobed, ebracteolate; corolla pink, tubular, lobes 5, subequal, upper lip outermost in bud; stamens 2, included, anthers confluent, 2-celled, cells parallel; staminodes absent; style simple, stigma capitate. Capsule loculicidally dehiscent with 2 valves. Testa of seeds muricate.

參考文獻

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