Cuphea


Cuphea /ˈkjuːfiːə/[2] is a genus containing about 260 species of annual and perennial flowering plants native to warm temperate to tropical regions of the Americas. The species range from low-growing herbaceous plants to semi-woody shrubs up to 2 m (6 ft 7 in) tall. Commonly they are known as cupheas, or, in the case of some species, as cigar plants. The generic name is derived from the Greek word κυφος (kyphos), meaning "bent," "curved," or "humped."[3]

Cuphea
Cuphea nudicostata
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Lythraceae
Subfamily: Lythroideae
Genus: Cuphea
P.Browne
Species

Some 260, see text

Synonyms

Cuphaea Moench, orth. var.
Melanium P.Browne
Melvilla A.Anderson
Parsonsia P.Browne[1]

Not to be confused with Cuphead.
Cuphea ignea flowers resemble a tiny burning cigar in color, hence the common name "cigar plant"

Uses
False Heather (C. hyssopifolia) fruit with seeds

Several Cuphea species are popular ornamental plants or honey plants. C. ignea 'David Verity' and C. micropetalia are popular plants to attract hummingbirds.

Some species of Cuphea are used to produce cuphea oil, of interest as sources of medium-chain triglycerides. For most purposes, cuphea oil is identical to coconut oil and palm oil; these are derived from strictly tropical plants however and – particularly in the latter case – the expanding production of which has caused a considerable amount of habitat destruction. Cuphea may thus produce a valuable source of income for farmers in temperate regions, and by supplementing coconut and palm oil to satisfy the growing demand (e.g. for biodiesel production) at the same time decreasing the need for wholesale logging in tropical countries. Early attempts at commercial production have focused on an interspecific hybrid population derived from C. lanceolata and Clammy Cuphea (C. viscosissima).

Cuphea has also been shown to improve agricultural crops in North America when used in crop rotation. Crop rotation is commonly practiced among farmers to improve soil quality, control host-specific pests, and decrease the use of fertilizers and pesticides. When cuphea was introduced into the crop rotation of corn and wheat, scientists from the Agricultural Research Service of the USDA found that the addition of cuphea had positive effects on the following harvest, including a higher yield of crop and crops that are higher in protein. Such research reveals how cuphea can be used in agriculture to increase the profitability of crops like wheat and corn.

The seed oils of some species are very rich in one particular fatty acid. C. painteri oil, for example, is about three-quarters caprylic acid; C. carthagenensis oil consists of about 80% lauric acid. C. koehneana oil may be the richest natural source of a single fatty acid, with 95% of its content consisting of capric acid. Currently the plant is not commonly used for medicinal effects; however, chemical analysis of its fatty oils suggest the plant could possibly serve as an algicidal, fungicidal or antibiotic agent. There is also reason to believe the plant could be effective as an appetite stimulant.

Selected species
Cuphea cyanea flowers
Cuphea procumbens fruits
Cuphea hyssopifolia branch structure

References
  1. "Cuphea P. Browne". Germplasm Resources Information Network. United States Department of Agriculture. 1994-09-07. Archived from the original on 2012-10-10. Retrieved 2010-07-09.
  2. Sunset Western Garden Book, 1995:606–607
  3. Quattrocchi, Umberto (2000). CRC World Dictionary of Plant Names. I: A-C. CRC Press. p. 664. ISBN 978-0-8493-2675-2.
  4. Rainy Side Gardeners: Cuphea llavea 'Tiny Mice'
  5. "Species Records of Cuphea". Germplasm Resources Information Network. United States Department of Agriculture. Archived from the original on 2012-10-10. Retrieved 2010-07-09.
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