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Cucurbita foetidissima

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Cucurbita foetidissima
Buffalo gourd plant, male flower and fruits.

Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Cucurbitales
Family: Cucurbitaceae
Genus: Cucurbita
Species:
C. foetidissima
Binomial name
Cucurbita foetidissima
Synonyms[2]
  • Cucumis foetidissimus Hemsl. (1880)
  • Cucumis perennis E.James (1823)
  • Cucurbita perennis (E.James) A.Gray (1850)
  • Ozodycus perennis (E.James) Raf. (1832)
  • Pepo foetidissimus (Kunth) Britton (1913)

Cucurbita foetidissima is a tuberous xerophytic plant found in the central and southwestern United States and northern Mexico.[3] It has numerous common names, but is most commonly called the buffalo gourd in English. The type specimen was collected from Mexico by Alexander von Humboldt and Aimé Bonpland sometime before 1817.[4] In Latin, foetidissima means most unpleasant smell.

The buffalo gourd has evolved in the semiarid regions and is well-adapted to desert environments. It contains high amounts of protein and carbohydrates and yields abundant oil.[5] The carbohydrates that are formed in the tap root have led to the idea of growing the plant for biofuel.[6][7]

The fruit is consumed by both humans and animals. When mature, a stage marked by increasing desiccation of vine, leaves, fruit-stem, and fruit, the fruit begins its final gourd stage.

Geographic location and genetics make it highly likely that Cucurbita scabridifolia originated as a naturally occurring hybrid of C. foetidissima and Cucurbita pedatifolia.[8]

Morphology and cultivation

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Cucurbita foetidissima requires little water and grows best in semiarid and arid environments.[9] Warm weather is required during the five- to eight-month vegetation period.[5][10] This perennial is well adapted to marginal agricultural lands such as sandy loam soils which have to be well-drained.[10][11] Germination temperature range is between 15 °C and 37 °C with an optimum at 25 °C.[12]

The maximum depth for a successful germination is 12 cm.[12] The germination is possible in a pH range from 2.2 (germination rate 15%) up to pH 8 (germination rate 90%).[12] Asexual propagation is possible from nodal roots.[10]

The leaves of the buffalo gourd are typically entire and heart-shaped with a base of 10–13 cm (4–5 in) and length of 20–25 cm (8–10 in). The flowers are borne singly at the nodes of the vines after a certain amount of annual vegetative growth has taken place.[5]

The fruit has a diameter of 7–10 cm (3–4 in).[12] The fruit weighs 120 g to 150 g, with 292 to 315 seeds per fruit.[5] The seeds, which are 12 mm (0.5 in) long and 7 mm (0.3 in) wide, weigh about 4 g per 100 seeds,[10] with the seed coat accounting for about 30% of the seed weight.[5] The seeds often remain viable for months or even years within an undamaged gourd.[5] One hectare of plants can produce 2.5 tons of seed.[10]

The plant forms a fleshy tap root that is used as a storage and overwintering structure.[12] The central tap root can weigh up to 72 kg (159 lb). A four-year-old root grown under cultivation can reach a fresh weight of 45 kg (99 lb) and a length of 2.5 m (8.2 ft).[5]

Taxonomy

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Cucurbita foetidissima was scientifically described and named by the botanist Carl Sigismund Kunth in 1817.[2][13]

Names

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Common Names for Cucurbita foetidissima
Language of Origin Common Name
English buffalo gourd,[4]
Spanish calabazilla [4]
Spanish chilicote [4]
English coyote gourd [4]
English prairie gourd [14]
English fetid gourd [4]
English fetid wild pumpkin [4]
English Missouri gourd [4]
English stinking gourd
English wild gourd [4]
English wild pumpkin [4]

Distribution

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Cucurbita foetidissima is native to North America. It is found in the central and southwestern United States,[15] in: Arizona, Arkansas, southern California, Colorado, Kansas, Missouri, southern Nebraska, southern Nevada, New Mexico, Oklahoma, Texas, and southern Utah.[14][16] In Mexico, it can be found in Aguascalientes, Chihuahua, Coahuila, Guanajuato, Guerrero, Hidalgo; northern Jalisco, Mexico; Nuevo León, Querétaro, San Luis Potosí, Sonora, Tamaulipas, and Zacatecas.

Uses

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The buffalo gourd has the potential of being a crop adapted to arid to semiarid lands.[5] It is also used as a durable groundcover for hiding and protecting banks from erosion.[17]

Food

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The fresh young gourd can be eaten like squash. The mature fruit is no longer edible, due to bitter compounds. Seeds may be eaten after being prepared by roasting or boiling.[18]

The extractable oil content in whole seeds reaches from 24.3%[5] to 50%.[9] Linoleic acid, an essential polyunsaturated fatty acid, comprises 38% to 65% of the oil.[5] A characterization of the oils from buffalo gourd indicates that this oil is similar to other common edible oils.[19] Whole buffalo gourd seeds contain approximately 31% crude protein, which is usable for human consumption and for feed.

Starches are mainly located in the tap root, which forms after the first year of growth. The starch content in the dried root is between 47.5%[11] and 56%.[5] Fresh leaves or the whole plants can be used as animal food.

Traditional use

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The Zuni people use a medicinal poultice of powdered seeds, flowers and saliva for swellings.[20]

C. foetidissima contains a saponin that can be obtained from the fruit and root. In the Cahuilla Native American culture, the fruit and other parts of the plant have been used for their saponin content as laundry soap by rubbing plant parts against dirty clothing.[21] However, prolonged contact can cause skin irritation.[22][23]

Industrial use

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Besides food, the protein can be used for industrial purposes (water paints, paper coating, adhesives and textile sizing).[5][10] Biodiesel can be produced from the oil in the seeds.[24] But the main interest to produce renewable fuels is to produce biofuel with the carbohydrates which are located in the tap root.

Pests

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Various insects may penetrate the hard skin of the gourd. External structures appear to prevent damage by most insects and the plant is highly resistant to cucumber beetle and squash bug.[10] White molds seem to result in smooth surface areas and black molds often form circular patterns.

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References

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  1. ^ NatureServe (2023). "Cucurbita foetidissima". Arlington, Virginia. Retrieved 12 December 2023.
  2. ^ a b "Cucurbita foetidissima Kunth". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 6 March 2024.
  3. ^ 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.
  4. ^ a b c d e f g h i j "Name - Cucurbita foetidissima Kunth". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved December 11, 2012. Cucurbita foetidissima was originally described and published in Nova Genera et Species Plantarum (quarto ed.) 2: 123. 1817.
  5. ^ a b c d e f g h i j k l Bemis, J.; Curtis, L.; Weber, C.; Berry, J. (1978). "The Feral Buffalo Gourd, Cucurbita foetidissima". Economic Botany. 32 (1): 87–95. Bibcode:1978EcBot..32...87B. doi:10.1007/bf02906733. S2CID 43414271.
  6. ^ Smeal, D. (1997). "Carbohydrate biofuels. III. Consumptive-use and root yield of buffalo gourd (Cucurbita foetidissima HBK)". Fuel and Energy Abstracts. 38 (5): 325. doi:10.1016/S0140-6701(97)81177-0.
  7. ^ Blume, David (2007). Alcohol Can Be a Gas! Fueling an Ethanol Revolution for the 21st Century. The International Institute For Ecological Agriculture.
  8. ^ Andres, Thomas C. (1987). "Relationship of Cucurbita scabridifolia to C. foetidissima and C. pedatifolia: A Case of Natural Interspecific Hybridization". Cucurbit Genetics Cooperative Report. 10. Raleigh, NC: North Carolina State University: 74–75.
  9. ^ a b Berry, J.; Bemis, J.; Weber, C.; Philip, T. (1975). "Cucurbit Root Starches: Isolation and Some Properties of Starches from Cucurbita foetidissima HBK and Cucurbita digital". Journal of Agricultural and Food Chemistry. 23 (4): 825–826. doi:10.1021/jf60200a020. PMID 1141535.
  10. ^ a b c d e f g Bemis, J. (1975). Underexploited Tropical Plants with Promising Economic Value. National Research Council. pp. 94–99. ISBN 978-0-89499-186-8.
  11. ^ a b Nelson, J.; Scheerens, J.; Bucks, D.; Berry, J. (1989). "Irrigation Effects on Water Use, and Production of Tap Roots and Starch of Buffalo Gourd". Agronomy Journal. 81 (3): 439–442. Bibcode:1989AgrJ...81..439N. doi:10.2134/agronj1989.00021962008100030008x.
  12. ^ a b c d e Horak, M.; Sweat, J. (1994). "Germination, Emergence, and Seedling Establishment of Buffalo Gourd (Cucurbita foetidissima)". Weed Science. 42 (3): 358–363. doi:10.1017/S0043174500076621. S2CID 132074382.
  13. ^ Bonpland, Aimé; Humboldt, Alexander von; Kunth, Karl Sigismund (1817). Nova Genera et Species Plantarum: Quas in Peregrinatione ad Plagam Aequinoctialem Orbis Novi Collegerunt, Descripserunt, Partim Adumbraverunt Amat. Bonpland et Alex. de Humboldt (in Latin). Ex officina Christophori Plantini. p. 123.
  14. ^ a b "Cucurbita foetidissima". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved December 11, 2012.
  15. ^ "Cucurbita foetidissima Kunth". swbiodiversity.org. SEINet, Southwestern Biodiversity, Arizona–New Mexico Chapter. Retrieved November 16, 2022.
  16. ^ "Cucurbita foetidissima distribution map". bonap.net. Biota of North America Program. 2014. Retrieved November 16, 2022.
  17. ^ Barr, Claude A. (1983). Jewels of the plains : wild flowers of the Great Plains grasslands and hills. Minneapolis: University of Minnesota Press. p. 64. ISBN 0-8166-1127-0.
  18. ^ Cutler, Hugh C.; Whitaker, Thomas W. (1961-01-01). "History and Distribution of the Cultivated Cucurbits in the Americas". American Antiquity. 26 (4): 469–485. doi:10.2307/278735. JSTOR 278735. S2CID 161495351.
  19. ^ Vasconcellos, J.; Berry, J.; J. Bemis, C. Weber; Scheerens, J. (1980). "The properties of Cucurbita foetidissima seed oil". Journal of the American Oil Chemists' Society. 57 (9): 310–313. doi:10.1007/bf02662214. S2CID 83524641.
  20. ^ Camazine, Scott; Bye, Robert A. (1980). "A Study of the Medical Ethnobotany of the Zuni Indians of New Mexico". Journal of Ethnopharmacology. 2 (4): 375, 365–388. doi:10.1016/s0378-8741(80)81017-8. PMID 6893476.
  21. ^ Bean, Lowell J.; Saubel, Katherine Siva (1972). Temalpakh: Cahuilla Indian Knowledge and Usage of Plants. Malki Museum Press, Morongo Indian Reservation. p. 57.
  22. ^ Cutler, H.C.; Whitaker, T.W. (1961). "History and Distribution of the Cultivated Cucurbits in the Americas". American Antiquity. 26 (4): 469–485. doi:10.2307/278735. JSTOR 278735. S2CID 161495351.(subscription required)
  23. ^ Heiser, Charles B. (2016). The Gourd Book. Norman, Oklahoma: University of Oklahoma Press. pp. 9, 33–34. ISBN 978-0806155678.
  24. ^ Kurki, A.; Hill, A. (2006). "Biodiesel: The Sustainability Dimensions". ATTRA. 3: 458–467.
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