Disocactus biformis

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Disocactus biformis
Disocactus biformis Plate 54 from 1904 from Blooming Cacti

Disocactus biformis
Plate 54 from 1904 from Blooming Cacti

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Hylocereeae
Genre : Disocactus
Type : Disocactus biformis
Scientific name
Disocactus biformis
( Lindl. ) Lindl.

Disocactus biformis is a species of the genus Disocactus in the cactus family(Cactaceae). Thespecific epithet biformis means 'two-shaped, two-shaped'.

description

Disocactus biformis forms a cylindrically shaped trunk 20 to 50 centimeters long. The individual shoots are richly branched, leaf-like, flat and up to 20 centimeters long and only 1 to 2 centimeters wide with a somewhat tamed edge. The areoles are thornless and small. The reddish to magenta colored flowers are 5 to 6 inches long. They appear laterally from the uppermost areoles and are slightly curved and funnel-shaped upwards. The fruits are reddish purple, egg-shaped to pear-shaped and 1.5 centimeters long.

Distribution, systematics and endangerment

Disocactus biformis is distributed in Guatemala in the administrative districts of Quetzaltenango , Sacatepéquez , Sololá and in El Salvador in the province of Santa Ana and occurs at altitudes between 1200 and 1840 meters.

The first description was in 1845 by John Lindley .

The following species are synonyms : Cereus biformis Lindl. (1843), Disisocactus biformis (Lindl.) Kunze (1845) (incorrect name, ICBN - Art. 11.4), Epiphyllum biforme (Lindl.) G.Don (1855) and Phyllocactus biformis (Lindl.) Hooker (1875).

In the Red List of Threatened Species of IUCN is the species as " Endangered (EN) ," d. H. listed as endangered.

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 183 .
  • Alwin Berger : Cacti - instructions for culture and knowledge of the most important introduced species . Eugen Ulmer, Stuttgart 1929, p. 99 .
  • NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 202 ( online ).

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 26.
  2. ^ Edward's Botanical Register , Flower Garden and Shrubbery. London, 31: t. 9
  3. ↑ Disocactus biformis in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Véliz, M., 2009. Retrieved January 5, 2014.

Web links

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