Weberbauer Ocereus johnsonii

from Wikipedia, the free encyclopedia
Weberbauer Ocereus johnsonii
Weberbauerocereus johnsonii Haage.jpg

Weberbauer Ocereus johnsonii

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Trichocereeae
Genre : Weberbauerocereus
Type : Weberbauer Ocereus johnsonii
Scientific name
Weberbauer Ocereus johnsonii
F. Knight

Weberbauerocereus johnsonii is a species of plant from the genus Weberbauerocereus in the cactus family(Cactaceae). The specific epithet honors the discoverer, the Californian gardener Harry Johnson (1894–1987).

description

Weberbauerocereus johnsonii grows shrubby to tree-shaped up to 6 meters high. The shoots , densely wrapped in golden yellow thorns , with a diameter of 7 to 9 centimeters, branch from a height of 1.5 meters. They have 30 to 35 blunt ribs that are up to 5 millimeters high and slightly tuberous. The areoles on it are brown. From them arise fine, golden-yellow and not very piercing thorns , which differ only with difficulty in central and radial thorns. The 10 to 12 central spines are strong, flexible and 1 centimeter long. The up to 20 (and more) radial spines are up to 1.5 centimeters long. In the flowering area, the areoles are larger and covered with bristles up to 6 centimeters long.

The somewhat zygomorphic, white or light pink-white flowers are up to 11 centimeters long. Your flower tube is covered with brownish black wool and strong, reddish brown hair . The spherical fruits are green and reach a diameter of up to 4 centimeters. They are covered with gray and brown hair.

Distribution and systematics

Weberbauer Ocereus johnsonii is common in the Peruvian region of Cajamarca . It was first described in 1962 by Friedrich Ritter . A synonym is Haageocereus johnsonii (F.Ritter) PVHeath .

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 639-640 .
  • Friedrich Ritter : Cacti in South America - results of my 20 years of field research . tape 4 Peru. Friedrich-Ritter-Selbstverlag, Spangenberg 1981, p. 1348 .

Individual evidence

  1. Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 122.
  2. Cacti and other succulents . Volume 13, Number 5, 1962, pp. 72-74.

Web links

Commons : Weberbauerocereus johnsonii  - Collection of images, videos and audio files