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Scrophulariaceae

玄參科

Flora of Taiwan
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

Buddleja 揚波屬

作者

LI, Hui-Lin and PENG, Ching-I

型態特徵

Trees, shrubs or herbs. Leaves opposite, entire or crenate, united by a stipular line. Flowers in dense cymes, cymes axillary or forming a terminal thyrsoid panicle; calyx campanulate, 4-toothed; corolla tubular, urceolate, 4 lobed, imbricate in bud; stamens 4, anthers sessile; ovary 2-celled, style linear, clavate; ovules numerous in each cell. Fruit a septicidal 2-valved capsule; seeds numerous, oblong or fusiform, slightly winged, endosperm fleshy.

參考文獻

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