Cephalocereus
Template:Short description Template:Automatic taxobox
Cephalocereus is a genus of slow-growing, columnar-shaped, blue-green cacti. The genus is native to Mexico.
Description
These cacti show a columnar and upright growth habit, and may be branched or unbranched reaching heights of 10 to 12 meters. The light green shoots, which turn gray with age, have a diameter of up to 40 centimeters and are almost completely covered by dense thorns near the top. On the 12 to 30 (or more) vertical ribs are closely spaced dimorphic areoles. The up to 5 central spines are yellowish to gray and up to 4 centimeters long. The numerous, bristly or hair-like radial spines usually enclose the shoot tightly. The flowers are medium-sized, tubular to bell-shaped, borne in a woolly structure called cephalium which can appear apically or laterally and open at night. The flower cup and the flower tube are covered with small scales.
The fruits are ovoid with small scales, and woolly. The smooth, pear-shaped seeds are black.[1]
Taxonomy
The genus Cephalocereus was established in 1838 by Ludwig Karl Georg Pfeiffer.[2]
Species
since 2025[update]Template:Dated maintenance category (articles)Script error: No such module "Check for unknown parameters"., Plants of the World Online accepted the following species:[2]
| Image | Scientific name | Distribution |
|---|---|---|
| Cephalocereus apicicephalium E.Y.DawsonScript error: No such module "Check for unknown parameters". | Mexico (Oaxaca) | |
| File:Cephalocereus columna-trajani (5754202804).jpg | Cephalocereus columna-trajani (Karw. ex Pfeiff.) K.Schum.Script error: No such module "Check for unknown parameters". | Mexico (Oaxaca and Puebla) |
| File:Neobuxbaumia euphorbioides - Adelaide Botanic Gardens.jpg | Cephalocereus euphorbioides (Haw.) Britton & RoseScript error: No such module "Check for unknown parameters". | Mexico (Tamaulipas, Veracruz) |
| File:Pachycereus fulviceps (5753604809).jpg | Cephalocereus fulviceps (F.A.C.Weber ex K.Schum.) H.E.MooreScript error: No such module "Check for unknown parameters". | Mexico (Puebla, Oaxaca) |
| File:Neobuxbaumia macrocephala (5754203358).jpg | Cephalocereus macrocephalus F.A.C.Weber ex K.Schum.Script error: No such module "Check for unknown parameters". | Mexico (Puebla, Oaxaca) |
| File:Neobuxbaumia mezcalaensis 01.jpg | Cephalocereus mezcalaensis BravoScript error: No such module "Check for unknown parameters". | Mexico (Colima, Guerrero, Jalisco, México State, Michoacán, Morelos, Oaxaca, Puebla, Tlaxcala) |
| Cephalocereus nudus E.Y.DawsonScript error: No such module "Check for unknown parameters". | Mexico | |
| Cephalocereus novus (P.V.Heath) M.H.J.van der MeerScript error: No such module "Check for unknown parameters". | Mexico(Oaxaca | |
| Cephalocereus parvispinus S.Arias, H.J.Tapia & U.GuzmánScript error: No such module "Check for unknown parameters". | Mexico (Oaxaca) | |
| File:Neobuxbaumia polylopha (3644603939).jpg | Cephalocereus polylophus (DC.) Britton & RoseScript error: No such module "Check for unknown parameters". | Mexico (Guanajuato to Veracruz) |
| File:Neobuxbaumia scoparia pm.jpg | Cephalocereus scoparius (Poselg.) Britton & RoseScript error: No such module "Check for unknown parameters". | Mexico (Veracruz, Oaxaca) |
| File:Cephalocereus senilis (5777116308).jpg | Cephalocereus senilis (Haw.) Pfeiff.Script error: No such module "Check for unknown parameters". | Mexico (Hidalgo and Veracruz ) |
| File:Neobuxbaumia tetezo (5758807588).jpg | Cephalocereus tetetzo (F.A.C.Weber ex J.M.Coult.) DiguetScript error: No such module "Check for unknown parameters". | Mexico (Oaxaca and Puebla) |
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Distribution and habitat
This genus of cacti is native to central and southern Mexico. Its habitat is desert scrub in the Central Mexican matorral and Southern Pacific dry forests.Script error: No such module "Unsubst".
References
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- ↑ a b Template:Cite POWO
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