Disocactus schrankii

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Disocactus schrankii
Disocactus schrankii

Disocactus schrankii

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Hylocereeae
Genre : Disocactus
Type : Disocactus schrankii
Scientific name
Disocactus schrankii
( Zucc. Ex Seitz ) Barthlott

Disocactus schrankii is a species of the genus Disocactus in the cactus family(Cactaceae). The specific epithet honors the German botanist Franz von Paula Wardrobe .

description

Disocactus schrankii grows strongly branching with ascending angular shoots , which are first reddish, later green and are about 1 to 2 centimeters wide with partly wavy edges. The raised areoles are thorny. The 6 to 7  thorns are white to yellowish, somewhat needle-like and only 1 centimeter long.

The flowers appearing to the side are broad, funnel-shaped, dark red and 10 to 15 centimeters in diameter. The obovate fruits are up to 4.5 inches long and 3.6 inches in diameter. They are somewhat warty with several areoles bearing thorns.

Distribution and systematics

Disocactus schrankii is distributed in the Mexican states of Chiapas , Durango , Jalisco , Mexico , Michoacán , Morelos , Oaxaca and Sinaloa and occurs at altitudes between 1800 and 2800 meters.

It was first described as Cereus schrankii in 1834 by Ludwig Seitz (1792–1866). Wilhelm Barthlott introduced the species to Disocactus in 1991 .

The following species and varieties are synonyms : Cereus schrankii Zucc. ex Seitz (1834), Heliocereus schrankii (Zucc. ex Seitz) Britton & Rose (1909), Heliocereus elegantissimus Britton & Rose (1920), Cereus elegantissimus (Britton & Rose) A. Berger (1929), Heliocereus speciosus var. elegantissimus ( Britton & Rose) Backeb. (1960), Heliocereus luzmariae Scheinvar (1985) and Heliocereus schrankii subsp. luzmariae (Scheinvar) U.Guzmán (2003).

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 187 .
  • NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape II . The Carnegie Institution of Washington, Washington 1923, p. 127 ( online ).
  • Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 107 .
  • Salvador Arias Montes, Susana Gama López, Leonardo Ulises Guzmán Cruz: Flora del Valle de Tehuacan-Cuicatlan, Fasciculo 14. Cactaceae AL Juss . Universidad Nacional Autónoma de México, Mexico City 2007, ISBN 968-36-6011-8 , p. 72 .

Individual evidence

  1. ↑ a b Ludwig Seitz: Advertisement of some new plants that bloomed in the spring of 1834 in the botanical garden in Munich . In: General garden newspaper . Volume 2, number 31, 1834, p. 244 (online)
  2. ^ Salvador Arias Montes, Susana Gama López, Leonardo Ulises Guzmán Cruz: Flora del Valle de Tehuacan-Cuicatlan, Fasciculo 14. Cactaceae AL Juss . Universidad Nacional Autónoma de México, Mexico City 2007, ISBN 968-36-6011-8 , p. 72 .
  3. ↑ Bradleya . Volume 9, 1991, p. 87.

Web links

Commons : Disocactus schrankii  - collection of images, videos and audio files