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Rutaceae

芸香科

特徵描述
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特徵描述

作者

CHANG, CHING-EN and HARTLEY, TOMG

型態特徵

Trees, shrubs, rarely herbs, with abundant pellucid glands, filled with essential oils. Leaves opposite or alternate, simple or compound, estipulate. Inflorescence various. Flowers usually regular, hermaphroditic or polygamous; sepals 4–5, free or connate; petals 4–5, rarely none, imbricate or valvate; stamens as many or twice as many as the petals, sometimes fewer or more numerous; disc usually annular or cushion-like, between the ovary and stamens; ovary superior, usually deeply lobed, typically 4–5-loculed, the carpels more or less connate, or free, rarely 1-carpellary; ovules solitary or geminate. Fruit various, separating into as many cocci as carpels or baccate. Seeds usually solitary in each cell, the testa various; endosperm fleshy or 0; embryo straight or curved.

About 140 genera with 1,300 species, tropical and temperate; 13 genera in Taiwan.

參考文獻

Clausena 黃皮屬

作者

CHANG, CHING-EN and HARTLEY, TOM G.

型態特徵

Erect, spineless shrubs or small trees, aromatic when crushed. Leaves imparipinnate. Flowers small, in terminal or axillary panicles; calyx 4- to 5-lobed; petals 4 or 5, free, imbricate; stamens 8 to 10, inserted around an elongated disc, the filaments enlarged below, subulate at tips, the alternating ones shorter; ovary stipulate, usually 4- or 5-celled; ovules 2 in each cell. Fruit a fleshy, globose or ovoid, 2- to 5-celled berry.

參考文獻

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