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Myrsinaceae

紫金牛科

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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

Maesa 山桂花屬

作者

YANG, Yuen-Po and LU, Sheng-You

型態特徵

Shrubs or small trees. Leaves alternate, usually punctate. Inflorescences racemose or paniculate; bracteoles 2, usually subtending calyx base. Flowers usually 5-merous, bisexual or polygamous; calyx adnate to ovary, lobes valvate; corolla campanulate, often punctate; stamens free, included; ovary semi-inferior or inferior; ovules many, on central placenta, style cylindrical, slender, stigma entire or 3–5-lobed. Fruit a fleshy berry or drupe, with persistent calyx at apex; seeds numerous, angular.

參考文獻

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學名 中名 標本數