Biology:Cephalocereus tetetzo
| Cephalocereus tetetzo | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Cephalocereus |
| Species: | C. tetetzo
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| Binomial name | |
| Cephalocereus tetetzo (F.A.C.Weber ex J.M.Coult.) Diguet
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| Synonyms | |
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Cephalocereus tetetzo is a species of cactus from Mexico.
Description
Cephalocereus tetetzo grows in a columnar shape with mostly branching shoots and reaches heights of up to 15 meters. A trunk with a diameter of up to 70 centimeters is formed. The gray-green shoots are 8 to 12 meters long and have a diameter of 18 to 30 centimeters. The 15 to 20 blunt ribs are slightly rounded. The central spine, which is usually single, is blackish and up to 5 centimeters long. The 8 to 13 blackish marginal spines are 1 to 2 centimeters long.
The bell- to funnel-shaped flowers appear near the tips of the shoots. They are whitish and 5 to 6 centimeters long. Its pericarpel and flower tube are covered with tubercles, scales, wool and bristles. The egg-shaped green fruits are up to 4 centimeters long and have thorns.[2]
tip of plant
Plants in habitat at the Hierve el Agua, Oaxaca, Mexico.
Plants in habitat at Zapotitlan De Las Salinas, Puebla
Plants in habitat near San Juan De Los Cues, Oaxaca
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Distribution
Cephalocereus tetetzo is distributed in the Mexican states of Puebla and Oaxaca.
Taxonomy
The first description as Cereus tetetzo (spelled "Cereus tetazo") was made in 1896 by John Merle Coulter.[3] The specific epithet tetetzo refers to the Spanish common name "Tetetzo". Léon Diguet placed the species in the genus Cephalocereus in 1928. Further nomenclature synonyms are Pilocereus tetetzo (F.A.C.Weber ex J.M.Coult.) F.A.C.Weber ex K.Schum. (1897), Cephalocereus tetetzo (F.A.C.Weber ex K.Schum.) Vaupel (1909), Pachycereus tetetzo (F.A.C.Weber ex K.Schum.) Ochot. (1922), Neobuxbaumia tetetzo (F.A.C.Weber ex J.M.Coult.) Backeb. (1938) and Carnegiea tetetzo (F.A.C.Weber ex J.M.Coult.) P.V.Heath (1992).
References
- ↑ "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2009-04-29. https://www.iucnredlist.org/species/152584/121540963. Retrieved 2023-11-01.
- ↑ Anderson, Edward F.; Eggli, Urs (2005) (in de). Das grosse Kakteen-Lexikon. Stuttgart (Hohenheim): Ulmer. p. 440. ISBN 3-8001-4573-1.
- ↑ States., United (1892). "Contributions from the United States National Herbarium". Smithsonian Institution Press. https://www.biodiversitylibrary.org/page/364181.
External links
Wikidata ☰ Q50840316 entry
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