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Alkali Heliotrope (Heliotropium curassavicum)
Genus Heliotropium Family Boraginaceae Order Lamiales Class Magnoliopsida Phylum Tracheophyta Kingdom Plantae Biodiversity

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Source: Wikipedia

Heliotropium curassavicum
variety oculatum in California

Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Heliotropium
Species:
H. curassavicum
Binomial name
Heliotropium curassavicum

Heliotropium curassavicum, commonly called salt heliotrope[2] (among other names), a species of flowering plant in the borage family (Boraginaceae). It is native to much of the Americas, from Canada to Argentina, including the West Indies and Hawaii. It can be found as an introduced, and sometimes invasive, species in Africa, Asia, Australia, and Europe.[3] It thrives in salty soils, such as beach sand, alkali flats, and salt marshes.[3] It is often found in disturbed coastal sites.[4]

Description

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This is a perennial herb which can take the form of a prostrate creeper along the ground to a somewhat erect shrub approaching 0.5 m (1.6 ft) in height. The stem and foliage are fleshy, with the leaves thick and oval or spade-shaped. The plentiful inflorescences are curled, coiling double rows of small bell-shaped flowers. Each flower is white with five rounded lobes and a purple or yellow throat. The fruit is a smooth nutlet.

Names

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Due to its wide geographical range that spans many nations and languages, Heliotropium curassavicum has been given an assortment of common names. In English, these include seaside heliotrope, salt heliotrope, monkey tail, quail plant and Chinese parsley. In Latin American Spanish, it is known as cola de mico, cola de gama or rabo alacrán. It is called kīpūkai in Hawaii.

Taxonomy

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There are five currently recognized varieties.[3] These are:

  • H. curassavicum var. argentinum - Native to the tropics of South America, including Argentina, Brazil, Paraguay, and Uruguay.[5]
  • H. curassavicum var. curassavicum - Globally widespread, native from the eastern U.S. to Argentina, and naturalized on seashores elsewhere.[3]
  • H. curassavicum var. fruticulosum - Endemic to the San Juan and Mendoza provinces of Argentina.[6]
  • H. curassavicum var. obovatum - Widespread in western North America and Chihuahua, Mexico.[7]
  • H. curassavicum var. oculatum - Native from southwestern Utah to Baja California.[7]

References

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  1. ^ NatureServe (2023). "Heliotropium curassavicum". Arlington, Virginia. Retrieved 11 November 2023.
  2. ^ NRCS. "Heliotropium curassavicum". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 2 February 2018.
  3. ^ a b c d Al-Shehbaz, Ihsan (1991). "The genera of Boraginaceae in the southeastern United States". Journal of the Arnold Arboretum. Supplementary Series. 1: 1–169. JSTOR 43782784.
  4. ^ Seaside heliotrope The Institute for Regional Conservation
  5. ^ Johnston, Ivan (1928). "Studies in the Boraginaceae". Contributions from the Gray Herbarium of Harvard University. 81: 15. Retrieved 2 February 2018.
  6. ^ Johnston, Ivan (1959). "Some noteworthy American borages". Wrightia. 2 (1): 15. Retrieved 2 February 2018.
  7. ^ a b Kearney, Thomas; Peebles, Robert (1942). Flowering plants and ferns of Arizona. U.S. Dept. of Agriculture. p. 743.
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"It is native to much of the Americas, from Canada to Argentina, including the West Indies and Hawaii. It can be found as an introduced, and sometimes invasive, species in Africa, Asia, Australia, and Europe." (Wikipedia)