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FOC | Family List | FOC Vol. 19 | Cucurbitaceae

26. Cucumis Linnaeus, Sp. Pl. 2: 1011. 1753.

黄瓜属 huang gua shu

Authors: Anmin Lu & Charles Jeffrey

Herbs, scandent or creeping, annual. Stem and branches scabrous, hispid. Tendrils slender, simple. Leaf blade almost orbicular, reniform, or cordate-ovate, undivided or palmately 3-7-lobed. Plants monoecious, rarely dioecious, or flowers hermaphroditic. Male flowers fascicled or solitary; calyx tube campanulate, 5-lobed; segments subulate; corolla rotate or subcampanulate, 5-lobed; segments oblong or ovate; stamens 3, free, inserted on corolla tube; anthers oblong, one 1-celled, two 2-celled; anther cells linear, reflexed or curved; connective produced; rudimentary ovary glandular. Female flowers solitary or fascicled; calyx and corolla as in male flowers; staminodes 3, subulate; ovary cylindric; ovules numerous, horizontal; style short; stigmas 3-5. Fruit polymorphic, fleshy, indehiscent, smooth or verrucose. Seeds numerous, compressed, emarginate.

About 32 species: tropical and temperate regions, most species in Africa; four species in China.

1 Fruit smooth; ovary hairy.   1 C. melo
+ Fruit and ovary muriculate or verrucose or sparsely tuberculate, not hairy   (2)
2 (1) Fruit oblong or cylindric, (5-)10-50 cm.   2 C. sativus
+ Fruit oblong, smaller than 5 cm   (3)
3 (2) Fruit oblong, at least twice as long as broad, muricate.   3 C. hystrix
+ Fruit obovoid, only slightly longer than broad, sparsely obscurely tuberculate.   4 C. debilis

Lower Taxa


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