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FOC | Family List | FOC Vol. 19 | Cucurbitaceae

18. Luffa Miller, Gard. Dict. Abr., ed. 4. [806]. 1754.

丝瓜属 si gua shu

Authors: Anmin Lu & Charles Jeffrey

Herbs, scandent, annual, glabrous or puberulent. Tendrils bi- or multifid. Petiole eglandular; leaf blade usually 5-7-lobed. Plants monoecious. Male flowers in a raceme; calyx tube obconical; segments 5, triangular or lanceolate; corolla segments 5, free, spreading, entire or erose; stamens 3 or 5, free; anthers: one 1-celled, other 2-celled or all 1-celled when stamens 5; anther cells linear, sigmoid-flexuous; connective usually dilated; pistillode glandular or absent. Female flowers solitary; calyx and corolla as in male flowers; staminodes 3, or rarely 4 or 5; ovary cylindric; ovules numerous, horizontal; stigmas 3. Fruit oblong or cylindric, terete or acutely costate, smooth or echinate, inside fibrous, apex operculately dehiscent. Seeds numerous, oblong, compressed.

Six species: tropical and subtropical regions throughout the world; two species (both introduced) in China.

1 Stamens often 5, anther cells all 1-celled; fruit smooth, ecostate.   1 L. aegyptiaca
+ Stamens 3, anthers: one 1-celled, others 2-celled; fruit with 8-10 acute ribs.   2 L. acutangula

Lower Taxa


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