Thelocactus fossulatus
Cactaceae (Britton & Rose) 4: 10. 1923 [24 Dec 1923
Family
Cactaceae
Genus
Species
Thelocactus fossulatus
Author
Britton & Rose
Chinese genus
瘤玉属
Chinese name
-
Accepted
DescriptionEdit description
Habit
Usually solitary, clustering only after many years, from the base
Flowers
10 cm in diameter pure white, white/cream or pale pink with yellow throat and centres. Petals may have a darker pink midrib.
Spines
1 red central spines and 4-6 reddish-gray-white radial spines per areole They are thick, long and sharp of in length up to 6 cm long. The brightness of the colouration depends on the clone. The best spined specimen are very beautiful and sought after by cactus impassioned.
Ribs
Spiralling divided into fat, poligonal-rounded tubercles.
Stem
Globoid blue-green up to 20 cm in diameter (or more)