Cacti in Mexico

Thelocactus

Pictures of several species of Thelocactus:

Thelocactus bicolor

Thelocactus bueckii in flower
Thelocactus bueckii another in flower
Thelocactus bueckii and yet another in flower

Thelocactus conothele
Thelocactus conothele a long-spined plant in flower

Thelocactus conothele var. argenteus

Thelocactus conothele var. aurantiacus

Thelocactus hexaedrophorus
Thelocactus hexaedrophorus a plant in bud

Thelocactus tulensis