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Myrsinaceae

紫金牛科

特徵描述
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特徵描述

作者

YANG, Yuen-Po and LU, Sheng-You

型態特徵

Shrubs, trees or vines, rarely semi-herbaceous. Leaves simple, usually alternate, rarely opposite or subverticillate, estipulate, usually pubescent. Inflorescence axillary or terminal or at apex of lateral flowering branches, paniculate, racemose, subumbellate, or fasciculate. Flowers bisexual or unisexual, usually white or reddish, usually 4- or 5-merous; sepals usually connate at base, persistent, usually punctate; petals usually connate at base, usually punctate; stamens adnate to base or throat of corolla tube, as many as and opposite corolla lobes, anthers dorsifixed, dehiscent usually longitudinally; ovary superior, rarely semi-inferior, 1-locular; placenta basally attached, free-central; ovules many or few, imbedded; style single, stigma single, slightly capitate or sometimes lobed. Fruit a globose drupe or berry or rarely an elongated capsule; embryo covered by fleshy or horny endosperm.

About 42 genera in tropical and subtropical regions of both hemispheres; four genera in Taiwan.

參考文獻

Myrsine 竹杞屬

作者

YANG, Yuen-Po and LU, Sheng-You

型態特徵

Trees or shrubs, monoecious, dioecious or polygamous. Leaves usually serrate, rarely entire. Inflorescences axillary, umbellate or fasciculate, on short scaly branchlets or spurs, bracteate. Flowers bisexual or unisexual; sepals nearly free or united to half their length, imbricate; petals nearly free or united to half their length; stamens attached at base or middle of petals, filaments distinct, short, anthers ovate or reniform, longitudinally dehiscent; ovary glabrous, ovoid, ovules few, uniseriate, style short, stigma punctiform or various. Fruit a globose or ovoid drupe; seed with horny, ruminate endosperm.

參考文獻

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學名 中名 標本數