Cephalocereus columna-trajani

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Cephalocereus columna-trajani
Cephalocereus columna-trajani (5753639979).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Cephalocereus
Species:
C. columna-trajani
Binomial name
Cephalocereus columna-trajani
Synonyms [2]
List
    • Cephalocereus columna (Walp.) K.Schum. (1894)
    • Cephalophorus columna-trajani (Karw. ex Pfeiff.) Lem. (1838)
    • Cephalocereus hoppenstedii (J.N.Haage & E.Schmidt) K.Schum. (1894)
    • Cereus columna Walp. (1846)
    • Cereus columna-trajani Karw. ex Pfeiff. (1837)
    • Cereus hoppenstedtii (J.N.Haage & E.Schmidt) Mottet (1898)
    • Cereus lateribarbatus Lem. (1862)
    • Haseltonia columna-trajani (Karw. ex Pfeiff.) Backeb. (1960)
    • Haseltonia hoppenstedtii (J.N.Haage & E.Schmidt) Backeb. (1951)
    • Melocactus columna-trajani Pfeiff. (1837)
    • Mitrocereus columna-trajani (Karw. ex Pfeiff.) E.Y.Dawson (1948)
    • Pachycereus columna-trajani (Karw. ex Pfeiff.) Britton & Rose (1909)
    • Pilocereus columna (Karw. ex Pfeiff.) Lem. (1839)
    • Pilocereus hoppenstedtii J.N.Haage & E.Schmidt (1874)
    • Pilocereus lateralis F.A.C.Weber (1898)
    • Pilocereus lateribarbatus Pfeiff. ex C.F.Först. & Rümpler (1885)

Cephalocereus columna-trajani is a species of cactus from Mexico.

Contents

Description

Cephalocereus columna-trajani grows with non-branching green shoots and reaches heights of 6 to 10 meters with diameters of up to 40 centimeters. There are 16 to 26 ribs, which are almost completely divided into cusps by transverse furrows. Abundant white, silky hairs emerge from the white areoles near the tip of the shoot. The 5 to 8 downward-facing, stiff central spines are grayish and up to 8 centimeters long. The 14 to 18 white marginal spines are up to 1 centimeter long. The clearly lateral, narrow, 2 to 3 meter long pseudocephalium extends to the top of the shoot and is usually directed north. It consists of yellowish, woolly hairs 4 to 6 centimeters long.

The tubular to bell-shaped flowers are white to light yellow and have a length of up to 7.5 centimeters and the same diameter. [3]

Distribution

Cephalocereus columna-trajani is found in xerophyllous scrub habitat in the Mexican states of Oaxaca and Puebla at elevations between 600 and 1800 meters, where it forms dense forests. Plants are found growing along with Cephalocereus tetetzo , Coryphantha pallida , Mammillaria haageana and Mammillaria mystax . [4]

Taxonomy

The first description as Cereus columna-trajani was published in 1837 by Ludwig Georg Karl Pfeiffer. [5] The specific epithet columna-trajani comes from Latin, means 'Trajan's Column' and refers to the stately nature of the species. Karl Moritz Schumann placed the species in the genus Cephalocereus in 1897. [6] Further nomenclature synonyms are Cephalophorus columna-trajani (Karw. ex Pfeiff.) Lem. (1831), Pilocereus columnatrajani (Karw. ex Pfeiff.) Lem. (1839), Cephalocereus columna (Karw. ex Pfeiff.) K.Schum. (1894), Pachycereus columnatrajani (Karw. ex Pfeiff.) Britton & Rose (1909), Mitrocereus columna-trajani (Karw. ex Pfeiff.) Backeb. ex E.Y.Dawson (1948) and Haseltonia columna-trajani (Karw. ex Pfeiff.) Backeb. (1960).

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<i>Cephalocereus macrocephalus</i> Species of cactus

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<i>Cephalocereus euphorbioides</i> Species of cactus

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<i>Cephalocereus tetetzo</i> Species of cactus

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References

  1. ↑ "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2009-04-29. Retrieved 2023-10-30.
  2. ↑ "Cephalocereus columna-trajani (Karw. ex Pfeiff.) K.Schum". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 21 October 2024.
  3. ↑ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 100. ISBN   3-8001-4573-1.
  4. ↑ "Cephalocereus hoppenstedtii". LLIFLE. 2013-08-04. Retrieved 2024-08-07. Creative Commons by-sa small.svg  This article incorporates textfrom this source, which is available under the CC BY-SA 3.0 license.
  5. ↑ Pfeiffer, Ludwig Georg Karl (1837). Enumeratio diagnostica cactearum hucusque cognitarum /auctore Ludovico Pfeiffer. Berolini: L. Oehmigke. doi:10.5962/bhl.title.15207.
  6. ↑ Schumann, Karl Moritz; Hirscht, Karl. (1899). Gesamtbeschreibung der Kakteen (Monographia cactacearum) /von Karl Schumann. Neudamm [Dębno, Poland?]: J. Neumann. doi:10.5962/bhl.title.10394.
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