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Rubiaceae

茜草科

特徵描述
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特徵描述

作者

LIU, Ho-Yih, YANG, T. Y. Aleck, LI, Sung-Po and LI, Hen-Jung

型態特徵

Trees, shrubs, lianas, or herbs. Leaves simple, mostly entire, commonly decussately opposite, often with connate interpetiolar stipules, or sometimes whorled, or rarely stipules intrapetiolar. Inflorescence basically cymose, terminal or lateral, rarely solitary flowers. Flowers mostly complete, rarely unisexual, nearly always epigynous, often heterostyle, zoophilous or rarely anemophilous, actinomorphic or rarely zygomorphic, often tetramerous or pentamerous. Calyx adnate to the ovary, aestivation open, lobes minute or obsolete, sometimes one or more enlarged and colored. Corolla sympetalous, salverform, rotate or funnelform. Stamens as many as and alternate corolla lobes, attached within corolla tube or at mouth; anthers dithecal, opening longitudinally. Ovary nearly always inferior, often bicarpellate; style single, terminal; stigma capitate or lobed. Fruit a capsule, berry, drupe, or schizocarp.

About 630 genera, especially abundant in tropical and subtropical regions; 38 genera in Taiwan.

參考文獻

Guettarda 葛塔德木屬

作者

YANG, T. Y. Aleck

型態特徵

Shrubs or trees. Leaves opposite or whorled; stipules intrapetiolar, deciduous. Cymes axillary, with a long peduncle. Flowers secund, on branches of cymes; calyx tube truncate or toothed, usually deciduous; corolla tube long, cylindric, straight or curved, the throat glabrous or pubescent, lobes 4–9, oblong, imbricate in bud, anthers linear, 4–9, subsessile within tube; ovary with 4–9 elongate cells, funicle thickened. Drupe globose or ovoid; seeds pendulous, 4–9, cylindrical, slender.

參考文獻

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學名 中名 標本數