Weberbauerocereus cephalomacrostibas

Weberbauerocereus cephalomacrostibas is a species of cactus in the family Cactaceae. It is found in Arequipa Department, Peru and consists of 2 subpopulations.[1][2][3][4]

Weberbauerocereus cephalomacrostibas
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Weberbauerocereus
Species:
W. cephalomacrostibas
Binomial name
Weberbauerocereus cephalomacrostibas
(Werderm. & Backeb.) F. Ritter, 1981

Description

Weberbauerocereus cephalomacrostibas grows shrubby and forms dense groups up to 2 meters high. The cylindrical, gray-green shoots reach a diameter of up to 10 centimeters. There are eight broad ribs that are grooved transversely. The conspicuous areoles on it are brown and are clustered at the tips of the shoots. The one to four very strong central spines are curved backwards and interlocking. They are dark brown and turn gray with age. The central spines are sometimes angular and grooved. They are up to 12 centimeters long. The up to 20 marginal spines are thin and very short.

The funnel-shaped, white flowers open at night. They grow up to 12 centimeters long and reach a diameter of 10 centimeters. The spherical to elongated fruits are reddish to yellowish orange.[5]

Distribution

Weberbauerocereus cephalomacrostibas is common in the Arequipa region of Peru in higher mountainous areas along the coast.

Taxonomy

The first description as Cereus cephalomacrostibas by Erich Werdermann and Curt Backeberg was published in 1931. The specific epithet cephalomacrostibas is derived from the Greek words kephale for 'head', makros for 'big' and stibas for 'bed' and refers to the large areoles that almost flow together near the tips of the shoots. Friedrich Ritter placed the species in the genus Weberbauerocereus in 1981 . Further nomenclature synonyms are Trichocereus cephalomacrostibas (Werderm. & Backeb.) Backeb. (1936), Echinopsis cephalomacrostibas (Werderm. & Backeb.) H.Friedrich & G.D.Rowley (1974) and Haageocereus cephalomacrostibas (Werderm. & Backeb.) P.V.Heath (1995).

References
  1. Cáceres, F (2011). "Weberbauerocereus cephalomacrostibas". IUCN Red List of Threatened Species. 2011: e.T152582A653807. doi:10.2305/IUCN.UK.2013-1.RLTS.T152582A653807.en. Retrieved 21 May 2023.
  2. "Weberbauerocereus cephalomacrostibas (Werderm. & Backeb.) F. Ritter | COL". www.catalogueoflife.org. Retrieved 2023-05-21.
  3. "Weberbauerocereus cephalomacrostibas (Werderm. & Backeb.) F.Ritter". www.gbif.org. Retrieved 2023-05-21.
  4. "Tropicos | Name - Weberbauerocereus cephalomacrostibas (Werderm. & Backeb.) F. Ritter". legacy.tropicos.org. Retrieved 2023-05-21.
  5. Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 222–223. ISBN 3-8001-4573-1.
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