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Rhizophoraceae R. Brown

红树科

Description from Flora of China

Trees or shrubs, evergreen, without spines, often with aerial roots. Stem nodes swollen. Stipules interpetiolar, sheathing terminal bud, caducous. Leaves simple, opposite or distichous, petiolate; leaf blade leathery, usually glabrous, margin entire, serrulate near apex, or completely serrulate. Inflorescences axillary, dense cymes. Flowers bisexual, actinomorphic; hypanthium present [or absent]. Calyx lobes 4-16, inserted on rim of hypanthium, free or scarcely connate a base, valvate, persistent in fruit. Petals usually as many as sepals, free, usually caducous, margin entire, lacerate, or 2-cleft. Stamens twice as many as calyx lobes; anther locules 4 to many, dehiscing longitudinally or by an adaxial valve. Hypogynous disk present or absent. Ovary inferior or half-inferior; carpels 2-5(-20), 2-8-loculed; ovules usually 2 per locule, pendulous; style 1; stigma entire, capitate, or lobed. Fruit pulpy or leathery, indehiscent. Seeds 1 to few, viviparous; seedling (propagule) 7-80 cm when shed (except in Carallia and Pellacalyx).

Ko Wan-cheung. 1983. Rhizophoraceae. In: Fang Wen-pei & Chang Che-yung, eds., Fl. Reipubl. Popularis Sin. 52(2): 125-143.

About 17 genera and 120 species: tropics and subtropics; six genera and 13 species (three endemic) in China.

(Authors: Qin Haining (覃海宁); David E. Boufford)

Lower Taxa


 

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