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(Last Modified On 7/31/2013)
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(Last Modified On 7/31/2013)
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Genus
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Cucumis L.
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PlaceOfPublication
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Sp. P1. 1001. 1753
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Note
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LECTOTYPE: C. sativus L.
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Synonym
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Melo Miller, Gard. Dict., abr. ed. 4. 1754. TYPE: Cucumis melo L. Rigocarpus Neck., Elem. Bot. 1: 238. 1790. TYPE: not designated.
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Description
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Monoecious, trailing, tendriled vines; stems 5- to 10-sulcate. Leaves petiolate, lobed or angular; tendrils simple, sometimes straight and spinescent. Staminate flowers axillary; fasciculate or solitary; calyx turbinate or campanulate, 5-lobate; corolla campanulate, 5-lobate; stamens 3, borne on the hypanthium wall, the filaments free, stout, the anthers curved or flexuous, one anther unilocular, the other anthers bilocular, connective with 2-lobed appendage; pistillodium gland- like. Pistillate flowers similarly disposed as the staminate flowers; calyx and co- rolla as in the staminate flowers; ovary globose or oblong, 3-carpellate, the styles 3-5, connate, short, the stigmas connate, 3-5, forming a spherical or obovate head; staminodia 3, small. Fruits fleshy, the surface smooth or roughened, usually indehiscent; seeds numerous, horizontal, ovate to oblong, compressed, emarginate, the testa smooth.
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Habit
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vines
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Distribution
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Cucumis is a genus of about 25 species, mainly Old World tropics and sub- tropics with four species found in Panama.
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Reference
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Cogniaux, A. & H. Harms. 1924. Cucurbitaceae: Cucurbiteae-Cucumerinae in A. Engler. Das Pflanzenreich 88 (IV, Fam. 275, II): 1-246.
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Key
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a. Ovary hispid to tuberculate; fruit densely to sparingly armed. b. Leaves deeply 3- to 5-lobate ...... 1. C. anguria bb. Leaves entire to shallowly lobed. c. Fruit densely spiny ...... 2. C. dipsaceus cc. Fruit sparingly spiny or tuberculate ...... 4. C. sativus aa. Ovary pubescent; fruit unarmed ...... 3. C. melo
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