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Annonaceae

番荔枝科

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特徵描述

作者

LIAO, JIH-CHING

型態特徵

Deciduous or evergreen trees, shrubs or scandent shrubs. Leaves alternate, simple, mostly entire, estipulate. Flowers bisexual, rarely unisexual, actinomorphic, brown to tawny-yellow; sepals usually 3, free or partly connate, valvate or often imbricate; petals usually 6, valvate, in 2 series; stamens num-erous, about 75-1,000, spirally arranged or rarely definite, filaments short, anthers extrorse or sublateral, connectives often enlarged; carpels 1-400, free or rarely united, styles 0 to short, stigmas distinct; ovules 1 to numerous. Fruit of 1 or more berries, capsules, or rarely an aggregate fleshy syncarp (in Annona), sessile to stalked; seeds large, 1-numerous; endosperm ruminate; embryo minute.

In the tropics of the Old and New World with extensions into temperate regions; 80 genera and over 750 species. Taiwan, three genera and four species.

參考文獻

Fissistigma 瓜馥木屬

作者

LIAO, JIH-CHING

型態特徵

Climbing shrubs. Leaves alternate, simple, lateral veins distinct. Inflorescences terminal, solitary, fascicled or panicled; flowers with bracteoles on the pedicel; sepals 3, small, connate at base, pubescent; petals 6, in 2 series, valvate, outer ones somewhat larger than inner ones, trigonously ovate, concave; stamens numerous, spirally arranged, anthers 2-celled, longitudinally dehiscent, connectives broadly ovate; carpels numerous, free, pubescent, styles long, simple to 2-lobed; ovules 2 to 14. Berry ovoid or globose.

參考文獻

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