About Ferocactus santa-maria Britton & Rose
Ferocactus santa-maria is a solitary cactus with cylindrical stems. It can grow up to 70 cm (28 in) tall and 25 cm (9.8 in) in diameter, and has approximately 13 straight, rounded ribs. It has four central spines that are gray, ridged, and mostly straight, growing up to 4.5 cm (1.8 in) long. The lowest of these central spines is the longest, and curves slightly at the tip. This species also has around 15 spreading radial spines that are lighter in color; the upper radial spines are bristle-like, while some of the lower radial spines resemble the central spines. Ferocactus santa-maria produces funnel-shaped yellow flowers that can reach 6 cm (2.4 in) long and 7 cm (2.8 in) in diameter. Its fleshy yellow fruits grow up to 5 cm (2.0 in) long and 3.5 cm (1.4 in) in diameter. This species is native to the island of Magdalena, in the Mexican state of Baja California Sur.