Connaraceae
牛栓藤科
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特徵描述
作者
LI, HUI-LIN
型態特徵
Trees or climbing or erect shrubs. Leaves persistent or deciduous, alternate, estipulate, simple or imparipinnate, with 1 or more pairs of leaflets; leaflets subcoriaceous, always entire. Flowers small and inconspicuous, racemose or paniculate, usually hermaphroditic, regular or nearly so. Calyx 5-partite, persistent. Petals 5, ligulate and longer than the calyx, usually imbricate, free or slightly coherent. Stamens perigynous or hypogynous, 5 or more; filaments filiform, often monadelphous at base; anthers short, didymous, the dehiscence introrse. Disc 0 or thin, surrounded by the base of the stamens. Carpels usually 5, rarely 1–3, free, hairy, l-celled. Style subulate or filiform; stigma subcapitate, simple or 2-lobed. Ovules 2, collateral, ascending from the base of the inner angle of the cell, orthotropus. Capsules usually solitary, sessile or stipitate, follicular, dehiscing usually in front, 1- or rarely 2-seeded. Seeds erect, with or without an arillus, the embryo erect, albuminous or exalbuminous.
屬
About 16 genera, 160 species, mainly tropical; only one genus in Taiwan.