Echinocactus karwinskii Zuccarini 1837
Echinocactus ingens Zuccarini ex Pfeiffer 1837
Echinocactus heliophorus Lemaire 1839
Echinocactus visnaga W. J. Hooker 1851
Echinocactus grandis Rose 1906
Echinocactus palmeri Rose 1909
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Echinocactus platyacanthus Link & Otto 1827 Biznaga de dulce, biznaga gigante, giant barrel cactus, giant biznaga, large barrel cactus
Biznaga de dulce (roughly "sweet thorny cactus") is native to northern and central Mexico. Identification: These cacti are generally spherical in shape, though they may appear more columnar or barrel-shaped. They reach 1½-8′ (50-250 cm) in height, and 1-2½′ (40-80 cm) in diameter. The number of ribs varies from as few as 5 to 60, with spine groups of 8-10, each 1-1½″ (3-4 cm) long. Spines are yellowish or reddish, darkening as they age. Multiple yellow flowers appear on the top of each cactus, each 1¾-2½″ (5-7 cm) in diameter. Dry, oval-shaped fruits are 1¾-2½″ (5-7 cm) long. The primary identifying feature is the large size. References:
Anderson, Edward F., The Cactus Family, Timber Press, 2001, p. 228 Online References:
Cactus Art: the World of Cacti & Succulents Echinocactus platyacanthus description by Thomas H. Kent, last updated 25 May 2020.
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5/25/2009 · Boyce Thompson Arboretum, Superior, Arizona · ≈ 2½ × 1½′ (82 × 55 cm) Range: Zones 9b-11:
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