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Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Global Range: Native to Northern Mexico and the Southwest U.S.

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Ecology

Associations

Flower-Visiting Insects of Buffalo Gourd in Illinois

Cucurbita foetidissima (Buffalo Gourd) introduced
(Bees collect pollen or suck nectar; information is limited to Halictid bees; observations are from Moure & Hurd)

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea (MH), Agapostemon splendens (MH), Agapostemon texanus texanus (MH)

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Known Pests: RESISTANT TO PESTS.

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Life History and Behavior

Life Cycle

Persistence: Long-lived

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Cucurbita foetidissima

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Cucurbita foetidissima

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Relevance to Humans and Ecosystems

Benefits

Economic Uses

Uses: FOOD, Seed/nut, Food oil, Silage/grain

Production Methods: Wild-harvested

Comments: Native americans collected the large roots of this species up to 7000 thousand years ago. Some roots weigh up to 50 kilograms. The fruits contain a bitter tasting cucurbitacin, which is water soluable and can be removed by cooking. Local people get rid of the taste with calcium carbonate. The seeds have 30-40% edible oil, which is similar to sunflower oil. The cake which emains after seed-pressing is high in protein and is suitable for animal feed.

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Wikipedia

Cucurbita foetidissima

Cucurbita foetidissima, has numerous common names, including: buffalo gourd,[1] calabazilla,[1] chilicote, coyote gourd, fetid gourd, fetid wild pumpkin,[1] Missouri gourd,[1] prairie gourd,[3] stinking gourd, wild gourd,[1] and wild pumpkin.[1] A tuberous plant, it is a true xerophyte that is found in the Southwestern United States and Northwestern Mexico.[4] The type specimen was collected from Mexico by Humboldt and Bonpland sometime before 1817.[1]

The feral perennial 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 is a naturally occurring hybrid of C. foetidissima and Cucurbita pedatifolia.[8]

Morphology and cultivation[edit]

Buffalo gourd in Albuquerque, NM

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 which is used as a storage and overwintering structure.[12] The central tap root can weight 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]

Distribution[edit]

Cucurbita foetidissima is native to North America in the U.S. (Arizona; Arkansas; southern California; Colorado; Kansas; Missouri; southern Nebraska; Southern Nevada, New Mexico; Oklahoma; Texas; and southern Utah) and Mexico (Aguascalientes; Chihuahua; Coahuila; Guanajuato; Guerrero; Hidalgo; northern Jalisco; Mexico; Nuevo León; Querétaro; San Luis Potosí; Sonora; Tamaulipas; and Zacatecas).[3]

Uses[edit]

The buffalo gourd has the potential of being a crop adapted to arid to semiarid lands, producing additional food critically needed to feed the world population./[5]

  • Fresh gourd: The fresh young gourd can be eaten like squash. When the fruit is mature, it is not edible anymore due to bitter compounds.
  • Oil: The extractable oil content in whole seeds reaches from 24.3%[5] to 50%.[13] 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.[14]
  • Protein: Whole Buffalo gourd seeds contain approximately 31% crude protein, which is usable for human consumption and for feed.
  • Starch: Is 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]
  • Fodder: Fresh leaves or the whole plants can be used as animal food.
  • Biofuel: Biodiesel can be produced from the oil in the seeds.[15] But the main interest to produce renewable fuels is to produce biofuel with the carbohydrates which are located in the tap root.
  • Other uses: In many Native American cultures, the fruit and other parts of the plant, buffalo gourd oil, were used for soap.[16] Furthermore, the protein can be used for industrial purposes (water paints, paper coating, adhesives and textile sizing).[5][10] The Zuni people use a poultice of powdered seeds, flowers and saliva for swellings.[17]

Pests[edit]

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.

Gallery[edit]

References[edit]

  1. ^ a b c d e f g h "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.
  2. ^ "TPL, treatment of Cucurbita foetidissima Kunth". The Plant List; Version 1. (published on the internet). Royal Botanic Gardens, Kew and Missouri Botanical Garden. 2010. Retrieved December 11, 2012. 
  3. ^ a b GRIN (February 12, 2010). "Cucurbita foetidissima information from NPGS/GRIN". Taxonomy for Plants. National Germplasm Resources Laboratory, Beltsville, Maryland: USDA, ARS, National Genetic Resources Program. Retrieved December 11, 2012. 
  4. ^ Bemis, W. P.; Whitaker, Thomas W. (April 1969). "The Xerophytic Cucurbita of Northwestern Mexico and Southwestern United States". Madroño (California Botanical Society) 20 (2): 33–41. JSTOR 41423342.  edit
  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 1: 87–95. 
  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. Retrieved August 22, 2008. 
  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 (Raleigh, NC: North Carolina State University) 10: 74–75. 
  9. ^ Berry, J.; Bemis, J.; Weber, C.; Philip, T. (1978). "Cucurbit Root Starches: Isolation and Some Properties of Starches from Cucurbita foetidissima HBK and Cucurbita digitata". Journal of Agricultural and Food Chemistry 4: 825–826. 
  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: 439–442. 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 Society of America 42: 358–363. 
  13. ^ 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. 
  14. ^ 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. 
  15. ^ Kurki, A.; Hill, A. (2006). "Biodiesel: The Sustainability Dimensions"". ATTRA 3: 458–467. 
  16. ^ Lowell J. Bean and Katherine Siva Saubel (1972). Temalpakh: Cahuilla Indian Knowledge and Usage of Plants. Malki Museum Press, Morongo Indian Reservation. p. 57. 
  17. ^ Camazine, Scott; Bye, Robert A. (1980). "A Study Of The Medical Ethnobotany Of The Zuni Indians of New Mexico". Journal of Ethnopharmacology 2: 365–388. doi:10.1016/s0378-8741(80)81017-8.  (p. 375)
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