Ferocactus johnstonianus

Ferocactus johnstonianus is a species of Ferocactus found in Mexico

Description
Ferocactus johnstonianus is a solitary, spherical to short cylindrical cactus that can grow over 1 meter tall and up to 35 cm in diameter. It has 24 to 31 slightly humped ribs and 22 to 25 golden-yellow, awl-shaped spines that turn brown with age and reach up to 6 cm long, without differentiating into central and radial spines. The cactus produces funnel-shaped yellow flowers that grow up to 5 cm long and 3.5 cm in diameter. Its fruits, which are about 3 cm long, sometimes open with a basal pore.

Distribution
This species is found on Ángel de la Guarda Island in Baja California, Mexico.

Taxonomy
It was first described in 1923 by Nathaniel Lord Britton and Joseph Nelson Rose, and the species name johnstonianus honors American botanist Ivan Murray Johnston.