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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

Ardisia 紫金牛屬

作者

YANG, Yuen-Po and LU, Sheng-You

型態特徵

Small trees, shrubs or semiherbs. Leaves alternate, rarely opposite or subverticillate, entire, crenate, serrate or dentate, with resinous marginal glands, punctate. Inflorescence paniculate, corymbose or subumbellate, axillary or terminal or at apex of flowering branches. Flowers bisexual, 5- or rarely 4-merous; sepals free or connate at base, convolute, recurved or spreading; stamens adnate to base of corolla tube; ovary ovoid or subglobose, stigma punctiform or slightly capitate; ovules several to many in one or more series. Fruit a drupe, usually punctate; seed 1, globose, with a hollow base; endosperm horny.

參考文獻

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學名 中名 標本數