Weberocereus

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Weberocereus
Weberocereus rosei

Weberocereus rosei

Systematics
Nuclear eudicotyledons
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Hylocereeae
Genre : Weberocereus
Scientific name
Weberocereus
Britton & Rose

Weberocereus is a genus of plants fromthe cactus family (Cactaceae). The botanical name of the genus honors the French botanist and cactus connoisseur Frédéric Albert Constantin Weber .

description

The species of the genus Weberocereus grow climbing or hanging, epiphytic or lithophytic . Their shoots, which are round in cross-section, are angular or flattened. The 2 to 5 ribs have lobed or toothed edges on which there are small, barely thorned areoles . The thorns are short and bristly, or sometimes nonexistent.

The bell-shaped to short funnel-shaped flowers that arise on the side of the shoots are mottled pink to yellowish white to green and 3 to 10 centimeters long. They open at night. The areoles on the pericarpel and the flower tube are covered with bristle or hairy thorns.

The spherical to elongated, fleshy, often humped fruits are red or yellow and bristly or bare. They contain white or purple flesh. The remnants of the flowers are persistent. The medium-sized, black-brown to black, barely shiny seeds are oval and almost smooth. They are up to 1.8 millimeters long and up to 1.2 millimeters wide.

Distribution and systematics

The distribution area of ​​the genus Weberocereus extends from southern Mexico southwards across Central America to Ecuador . The largest number of species grows in Costa Rica .

The first description was in 1909 by Nathaniel Lord Britton and Joseph Nelson Rose . The type species of the genus is Cereus tunilla . The genus includes the following species:

Synonyms of the genus are Werckleocereus Britton & Rose (1909) and Eccremocactus Britton & Rose (1913).

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 641-643 .
  • Curt Backeberg : Die Cactaceae: Handbuch der Kakteenkunde . 2nd Edition. tape II . Gustav Fischer Verlag, Stuttgart New York 1983, ISBN 3-437-30381-3 , p. 803-817 .
  • NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape II . The Carnegie Institution of Washington, Washington 1920, p. 214-216 .

Individual evidence

  1. ^ Contributions from the United States National Herbarium . Volume 12, 1909, p. 431, (online) .
  2. ^ Edward F. Anderson : The great cactus lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 641-643 .

Web links

Commons : Weberocereus  - collection of images, videos and audio files