Thelocactus buekii is a species of cactus. It is endemic to Mexico.
Description.
"Thelocactus buekii" is a solitary, globular cactus, with depressed stems, with dark reddish to dull green body 5 to 22 centimeters high and 11 to 16 centimeters in diameter. It has conical tubercles that are 1.5 to 2.5 cm long. The areoles are woolly when young, with 3 to 7 central spines that are gray to red, measuring only 2 centimeters long. Additionally, it has 7 to 12 radial spines. The flowers of "Thelocactus buekii" are pink, measuring 8 cm in diameter.
Distribution.
"Thelocactus buekii" is native to the limestone hills in the Chihuahuan Desert between Dr Arroyo and Galean of Nuevo León, Mexico at elevations of 800 to 1000 meters.
Taxonomy.
It was first described in 1859 as "Echinocactus buekii" by Eduard Petrowitsch Klein. The plant was named after German botanist Johannes Nicolaus Buek.