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Aizoaceae

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特徵描述

作者

LIU, HO-YIH

型態特徵

Annual or perennial succulent herbs, or shrubs. Leaves opposite or whorled, rarely alternate, simple, entire, exstipulate, or rarely stipulate. Inflorescence cymose, mostly terminal but often seemingly axillary, or flowers solitary. Flowers small, actinomorphic, bisexual, or rarely unisexual; perianth uniseriate; tepals 3-8, connate at base, confluent with filaments, forming a perianth-staminal tube, free portions often unequal, green or petaloid; stamens 4-many, usually 5, sometimes some becoming petaloid; ovary superior, half-inferior or inferior, mostly 5-carpellate, placentation axile, basal, or parietal; styles 0-5, stigmas 2-20. Fruits mostly locudicidal capsules, rarely septicidal or circumscissile capsules, and rarely drupaceous; seeds with voluminous perisperm.

About 127 genera, with about 2500 species; mainly in the tropics and subtropics of both hemispheres, and with the main center in southern Africa; three genera with three species in Taiwan.

參考文獻

Sesuvium 海馬齒屬

作者

LIU, HO-YIH

型態特徵

Annual or perennial herbs or subshrubs; stems prostrate or ascending. Leaves opposite, exstipulate, petioles dilated at base and clasping the stem to form a sheath. Flowers solitary, axillary, with two basal bracteoles, bisexual; tepals 5, colored inside, connate at base, lobes with long unifacial dorsal appendages; stamens mostly 5, alternate with tepals, free or connate at base; ovary superior, 2-5-celled, with as many styles. Fruit a ciscumscissile capsule; seeds stalked.

參考文獻

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