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Ebenaceae

柿樹科

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特徵描述

作者

LI, Hui-Lin, LU, Sheng-You and YANG, Yuen-Po

型態特徵

Usually dioecious trees or shrubs without latex. Leaves alternate, rarely subopposite, estipulate, usually thick and coriaceous, entire. Flowers regular, usually dioecious, axillary, subsessile or in short cymes, pedicels jointed under the flower; calyx gamosepalous, 3-5-lobed often hairy outside; stamens usually as many as or 2–3 times as many as corolla lobes, hypogynous, filaments free or variously united, anthers dehiscent longitudinally; ovary 2–8- or more-celled, imperfectly septate; styles 2–8; ovules 1 or 2 in each cell, pendulous, anatropous. Fruit mostly fleshy, few- to several-seeded; seeds usually oblong, compressed or longitudinally 2–3-furrowed; endosperm abundant; uniform or ruminate.

A family of two genera, widely distributed in the tropics.

參考文獻

Diospyros 柿樹屬

作者

LI, Hui-Lin, LU, Sheng-You and YANG, Yuen-Po

型態特徵

Trees or shrubs, usually with black, hard and brittle bark. Leaves simple, alternate. Flowers 3–5 together; calyx shallowly or sometimes deeply lobed; corolla tubular, salverform or campanulate, lobes 3–5, twisted to the right; male flowers with 3–20, rarely to 100 stamens; female flowers sometimes with staminodes, ovary 2–8-celled, cell 1- or rarely 2-ovuled, styles and stigmas 1–4. Fruit a globose or ellipsoid berry, often with much enlarged calyx; seeds oblong, usually compressed, with thin leathery testa; endosperm thick, horny, or rarely ruminate endosperm.

參考文獻

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