Echinocactus


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Related to Echinocactus: Ferocactus, Echinocactus grusonii
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Echinocactus

 

a genus of plants of the family Cactaceae. The globose or cylindrical stems measure 1.5–3 m in height and 1–1.5 m in diameter. There are clearly visible ribs, with feltlike pubescent areoles bearing a fascicle of hard needles. The solitary yellow or, less commonly, red flowers have a short feltlike pubescent tube; they are borne on the crown of the plant. There are about ten species, distributed in the subtropical deserts of Mexico and the southern United States. The pulp of the stems of some species is used to produce candied fruit. The golden ball cactus (E. Grusonii), the Mexican giant barrel (E. ingens), and other species are cultivated in greenhouses and as houseplants.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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These favorable conditions appear to be related to particular precipitation and temperature combinations for species such as Carnegiea gigantea, Echinocactus horizonthalonius, Ferocactus cylindraceus, Neobuxbaumia macrocephala, and Opuntia echios (Reid et al., 1983; Bowers, 1997b; Pierson & Turner, 1998; Hicks & Mauchamp, 2000; Esparza-Olguin et al., 2002).
Although Moneilema has not been recorded on Echinocactus, it has been recorded as feeding on Sclerocactus (Kass, 2001) and Ferocactus (Clark et al., 2007).
microcarpa 3 1 Neolloydia 3 2 pseudopectinata Barrel cacti Copiapoa cinerea 1/3 Echinocactus horizonthalonius Echinocereus 3 1 engelmanni E.
The rare Nichol's Turk's head cactus (Echinocactus horizonthalonius var.
En el grupo III formado por Penon Blanco se registro un 52% de diversidad del total; la estructura especifica cambio, pues la frecuencia de los generos Coryphantha, Echinocactus, Echinocereus, Mammillaria y Opuntia fue mayor con respecto a los grupos I y II.
He subdivided his Cereoideae (= Cactoideae) into three tribes: Echinocacteae, containing columnar and globular genera, such as Cephalocereus, Cereus, Echinocactus, Echinocereus, Echinopsis, Epiphyllum, Leuchtenbergia, Melocactus, Phyllocactus, and Pilocereus; Mammillarieae, currently Cacteae, with the genera Mammillaria and Pelecyphora; and Rhipsalideae, which grouped Hariota, Pfeiffera, and Rhipsalis.
Cnidoscolus tehuacanensis Breckon Echinocactus platyacanthus Link & Cyrtocarpa procera Kunth Otto Fouquieria formosa Kunth Ephedra compacta Rose Hechtia podantha Mez Eupatorium spp.
Members of Caeteae range from globular or depressed to short columnar cacti, varying in size from dwarf (Turbini carpus and some Mammillaria species) to giant (Ferocactus and Echinocactus) genera.