Weberocereus rosei

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Weberocereus rosei
WeberocereusRosei3UE.jpg

Weberocereus rosei

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Hylocereeae
Genre : Weberocereus
Type : Weberocereus rosei
Scientific name
Weberocereus rosei
( Kimnach ) Buxb.

Weberocereus rosei is a species of plant in the genus Weberocereus from the cactus family(Cactaceae). The specific epithet honors the American botanist Joseph Nelson Rose .

description

Weberocereus rosei growing lithophytic with at first ascending to upright, and later hanging, branching from the base instincts . The shoots are round at their base over a length of 1 to 5 centimeters, then they are flattened. They are up to 90 centimeters and more long, 4 to 8 centimeters wide and have a protruding central rib . The shoot margins are excluded, the lobes 3 to 6 millimeters high. The areoles on the shoots are hardly covered with wool. There are up to seven needle-like, stiff, white to dark brown thorns that are 1 to 4 millimeters long.

The tubular to funnel-shaped, greenish cream-colored to slightly pink, hardly scented flowers appear individually near the shoot tips and are 5.5 to 7 centimeters long. Your humped pericarpell is covered with scales and numerous thorns. The magenta-colored fruits have a length of 4.5 centimeters. Their pulp is white.

Distribution, systematics and endangerment

Weberocereus rosei is distributed in Ecuador in the provinces of Los Ríos , Chimborazo and Cañar at altitudes of 700 to 1000 meters.

The first description as Eccremocactus rosei was in 1962 by Myron William Kimnach (* 1922). Franz Buxbaum placed the species in the genus Weberocereus in 1978 . A synonym is Cryptocereus rosei (Kimnach) Backeb. (1963).

In the Red List of Threatened Species of the IUCN , the species is called " Data Deficient (DD) ", i. H. with insufficient data.

proof

literature

Individual evidence

  1. Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 205.
  2. ^ Cactus and Succulent Journal . Volume 34, Cactus and Succulent Society of America, 1962, p. 80.
  3. ^ Succulenta . Volume 57, number 6, 1978, p. 125.
  4. Weberocereus rosei in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Loaiza, C., 2011. Retrieved January 10, 2014.

Web links

Commons : Weberocereus rosei  - album with pictures, videos and audio files