Cucurbita cylindrata

Cucurbita cylindrata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Cucurbitales
Family: Cucurbitaceae
Genus: Cucurbita
Species:
C. cylindrata
Binomial name
Cucurbita cylindrata

Cucurbita cylindrata is a species of flowering plant in the squash family.[1][2] It is similar to Cucurbita californica, Cucurbita cordata, Cucurbita digitata, and Cucurbita palmata and all these species hybridize readily.[3] These species form the only restricted xerophyte species group in the genus Cucurbita. Each member of this species group is native to the Southwestern United States and Northwestern Mexico where they are relatively uncommon. Each group member is found in hot, arid regions with low rainfall. They prefer soil that is loose, gravelly, and well-drained. C. cylindrata is found only in the middle portion of Baja California, mostly in Baja California Sur. Botanists Bemis and Whitaker suggest that C. cordata and C. cylindrata may be a case of sympatric speciation. The juvenile leaves of C. cylindrata, C. cordata, C. digitata, and C. palmata show a high degree of similarity, but their mature leaves are visibly different, as are their root structures. C. cylindrata fruits are dark green, striped, and round.[4]

It was first identified by Liberty Hyde Bailey in 1943.[2]

References

  1. ^ "Cucurbita cylindrata". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved September 27, 2013.
  2. ^ a b Nee, Michael (1990). "The Domestication of Cucurbita (Cucurbitaceae)". Economic Botany. 44 (3, Supplement: New Perspectives on the Origin and Evolution of New World Domesticated Plants). New York: New York Botanical Gardens Press: 56–68. Bibcode:1990EcBot..44S..56N. doi:10.1007/BF02860475. JSTOR 4255271.
  3. ^ Puchalski, J. T.; Robinson, R. W. (1978). "Comparative Electrophoretic Analysis of Isozymes in Cucurbita Species". Cucurbit Genetics Cooperative Report. 1. Raleigh, NC: North Carolina State University: 28.
  4. ^ Bemis, W. P.; Whitaker, Thomas W. (April 1969). "The Xerophytic Cucurbita of Northwestern Mexico and Southwestern United States". Madroño. 20 (2). California Botanical Society: 33–41. JSTOR 41423342.


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