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Rhizophoraceae

紅樹科

APG 4
Flora of Taiwan
特徵描述
屬列表
Bruguiera 木欖屬
Ceriops 角果木屬
Kandelia 水筆仔屬
Rhizophora 紅樹屬
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特徵描述

作者

LI, HUI-LIN and LO, HANN-CHUNG

型態特徵

Trees or erect shrubs, often with salt or aerial roots, usually inermous, without milky latex. The vegetative and floral parts are glabrous (if not otherwise mentioned). Stem-nodes swollen. Leaves opposite or distichous, petioled, simple, entire or shallowly serrate, coriaceous, glabrous; stipules mostly present, small or large, interpetiolar, early caducous, leaving an annular scar. Flowers in cymes or solitary, in axiles of whether or not fallen leaves, regular, bisexual, rarely unisexual or polygamous; calyx-tube more or less adnate to ovary, lobes 4–15, valvate in bud, persistent; petals as many as calyx-lobes, delicate, caducous; stamens mostly twice the number of petals, surrounding the disk; anthers basifixed or dorsifixed, either many-celled and 1-valvate, or with 2 longitudinally dehiscent cells; ovary from superior to nearly entirely inferior, 1–8-celled; ovules 1–6 in each cell, born at apex or in inner angle of ovary-cell; style 1. Fruit fleshy, indehiscent. Seeds 1–7, whether or not germinating on the plant (vivipary), often endospermous.

Genera about 17, several of them comprising the characteristic mangrove vegetation mainly throughout the paleotropic regions of the world. Previously there were 4 genera in Taiwan, but now Bruguiera gymnorrhiza (L.) Lam. and Ceriops tagal (Perr.) C.B. Robinson can not be found any more in Kaohsiung.

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