Bombacoideae

Baobab tree (Adansonia digitata ), flowering

The silk-cotton tree crops ( Bombacoideae ) are a subfamily belonging to the family (Malvaceae ) belong. To subfamily include only 16 to 21 ( formerly 30 ) genera with about 120 species. For example, the Baobab Tree or Baobab (Adansonia digitata ), one of the most characteristic trees of the African landscape, belongs to this family.

Description

There are tropical trees that can reach heights of growth of up to 70 meters. The change-constant leaves are simple. The hermaphrodite flowers are radial symmetry and fünfzählig double perianth. The sepals are more or less grown strong. The flowers contain many stamens.

System

Individual earlier here Asked genera and species, such as the species of the tribe Durioneae, such as durian ( Durio zibethinus ), are now placed in the subfamily Helicteroideae and the types of the tribe Matisieae will be provided to Malvoideae.

This subfamily contains about 21 genera:

  • Tribus Adansonieae: It contains about 15 genera: Baobabs (Adansonia L.): it contains about nine species occur in Africa, Madagascar and Australia.
  • Aguiaria Ducke: it contains only one type: Aguiaria excelsa Ducke: It occurs in Brazil.
  • Bernoullia flammea Olive. It occurs in the Neotropics.
  • Neobuchia Paulinae Urb. It occurs in Haiti.
  • Tribus Ochromeae: it contains only two genera and five species: Ochroma Sw. Contains only one type: Balsa ( Ochroma pyramidal ( Cav. ) Urban, Syn: Ochroma lagopus Sw. ): It occurs in the Neotropics.
  • " Septotheceae ": Septotheca Ulbr. Contains only one type (formerly with five to eleven species ): Septotheca tessmannii Ulbr. It occurs in Peru.
  • Tribus Fremontodendreae: × Chiranthofremontia ( Chiranthodendron Fremontodendron x ): it contains only one type: × Chiranthofremontia lenzii Henrickson
  • Chiranthodendron pentadactylon Larreat. It occurs in Mexico and Guatemala.

Use

Some of the genera are also commercially of great interest because they provide either wood such as balsa ( Ochroma pyramidal ).

Some tree species are used for extraction of the fiber kapok, a non- spun wool used. These include emarginatum including the kapok tree ( Ceiba pentandra ), the Asian kapok tree ( Bombax malabaricum ) and Bombax.

Swell

  • Family Malvaceae and there also the subfamily Bombacoideae in APWebsite. (Sections Description and systematics)
  • David John Mabberley: Mabberley 's Plant -Book. A portable dictionary of plants, Their classification and uses. 3rd ed Cambridge University Press, 2008. ISBN 978-0-521-82071-4
Gilbert Thomas Burnett Genus Ochroma pyramidale Adansonia za Panama
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