Castilla (plant)

Castilla (sometimes incorrectly spelled Castilloa) is a genus of 3 species of large trees in the flowering plant family Moraceae. The genus is native to Central and South America.[1]

Castilla
Castilla elastica
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Moraceae
Tribe: Castilleae
Genus: Castilla
Cerv.
Species

See text

Synonyms

Castilloa (lapsus)

Etymology

This genus is named after Juan Diego del Castillo (d. 1793), a Spanish botanist who was a friend of Vicente Cervantes, who chose the name in his friend's honor.[2][3]

Description

Castilla species are monoecious or dioecious trees up to 40 meters tall, with buttressed trunks and abundant white latex of commercial value.[1] The branchlets have scars left by the fallen stipules. The leaves are oblong to elliptic, with entire margins.[1][4] The inflorescences are surrounded by bracts and have small flowers. The male flowers are borne in lengthwise-folded kidney-shaped inflorescences and female flowers in globose inflorescences.[1][4] The infrutescence varies in shape and has orange or red fruits.[1]

Ecology
The Panama rubber tree Castilla elastica, showing the scar where a branch has dropped. A recently fallen branch is posed at right

Castilla species exhibit a phenomenon known as cladoptosis, the regular shedding of branches. This may be an adaptation to prevent the growth of climbing plants.[5]

Castilla elastica is a weedy tree which has become invasive in areas where it has been introduced, such as in Tanzania and the South Pacific.[4][6]

Uses

The main species is Castilla elastica, one of several plants from which rubber has been extracted. The vernacular name is Panama rubber tree or castilloa rubber. The pre-Columbian MesoAmericans used the latex of this plant to make a ball used in a ceremonial game.

Species
  • Castilla elastica Sess茅 (Panama rubber tree, Castilloa rubber, palo de hule, olicu谩huitl)
  • Castilla tunu Hemsl.
  • Castilla ulei Warb. (Caucho rubber)
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See also

Rubber

References
  1. Cardona鈥揚e帽a, Victor; Fuentes, Alfredo; Cayola, Leslie (2005). "Las mor谩ceas de la regi贸n de Madidi, Bolivia" (PDF). Ecolog铆a en Bolivia (in Spanish). Retrieved 23 May 2016.
  2. Gonz谩lez, J. "Explicaci贸n Etimol贸gica de las Plantas de La Selva" (PDF). Fl贸rula Digital de la Estaci贸n Biol贸gica La Selva (in Spanish). Retrieved 23 May 2016.
  3. Loadman, John (2005). Tears of the Tree: The Story of Rubber 鈥揳 Modern Marvel. Oxford University Press. pp. 25. ISBN 9780198568407.
  4. "Castilla elastica (PIER species info)". www.hear.org. Retrieved 2016-05-23.
  5. Berg, C.C. (1977). "Castilleae, a tribe of the Moraceae, renamed and redefined due to the exclusion of the type genus Olmedia from the Olmedieae". Acta Botanica Neerlandica: 75. Retrieved 23 May 2016.
  6. "Castilla elastica (Panama Rubber Tree)". BioNET-EAFRINET Keys and Fact Sheets. BioNET-EAFRINET. Retrieved 23 May 2016.
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