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Loganiaceae

馬錢科

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特徵描述

作者

LI, Hui-Lin and PENG, Ching-I

型態特徵

Trees, shrubs or herbs, sometimes scandent. Leaves opposite, simple, with or without stipules. Inflorescences cymose, terminal or axillary, simple or compound, cymes sometimes reduced to solitary flowers. Flowers regular, calyx 4 or 5-toothed; corolla 4 or 5-lobed, with short to long tube; stamens 4 or 5, inserted on corolla tube and alternating with lobes, anthers 2-celled; ovary free, 2-celled; style simple, stigma capitate or bifid; ovules one or more in each cell, placentation axile. Fruit a septicidal capsule or indehiscent berry, 1- to many-seeded; seeds with abundant endosperm.

A tropical and subtropical family with about 29 genera and nearly 500 species. Six genera in Taiwan.

參考文獻

Mitrasacme 光巾草屬

作者

LI, Hui-Lin and PENG, Ching-I

型態特徵

A small delicate annual or perennial herb. Leaves opposite, entire, stipules forming a minute sheath. Flowers white or yellowish, 1 to many in terminal and axillary fascicles or umbels; calyx campanulate, 4-lobed; corolla campanulate or cup-shaped, 4-lobed, valvate in bud; stamens 4, anthers ovate, usually included; ovary 2-locular, styles 2, connate at first, later separating from base upward, usually finally divergent, stigmas capitate or 2-lobed, ovules many, placentae peltate. Capsules subglobose, truncate to bifid at apex; seeds minute, numerous, subglobose, reticulate.

參考文獻

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