Thelocactus bicolor

Thelocactus bicolor, the glory of Texas, is a species of flowering plant in the cactus family, widely distributed in the northern Chihuahuan Desert of the USA (Texas) and Mexico. Plants are usually solitary, but may form clumps.[2] Growing to 50 cm (20 in) tall, it is a perennial with spiny, ribbed, succulent stems. Large daisy-like flowers, up to 8 cm (3.1 in) in diameter, are borne in summer. The petals are purplish-pink, fading to white. The inner petal tips form a circle of red surrounding a prominent yellow boss.

Thelocactus bicolor
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Core eudicots
Order:
Caryophyllales
Family:
Cactaceae
Genus:
Thelocactus
Species:
T. bicolor
Binomial name
Thelocactus bicolor

This cactus is grown as an ornamental. A warm, dry, sunny spot in sharply-drained specialist cactus compost must be provided. It has gained the Royal Horticultural Society’s Award of Garden Merit.[3][4]

Lower taxa
  • Thelocactus bicolor subsp. bolaensis (Runge) Doweld
  • Thelocactus bicolor subsp. flavidispinus (Backeb.) N.P. Taylor
  • Thelocactus bicolor subsp. schwarzii (Backeb.) N.P. Taylor[5]
  • Thelocactus bicolor
  • Thelocactus bicolor subsp. schwarzii
  • Thelocactus bicolor v. tanquecillos
  • Pistil and stamens
  • Thelocactus bicolor subsp. bicolor
  • Thelocactus bicolor

References
  1. "Thelocactus bicolor". IUCN Red List of Threatened Species. 2013. 2013. Retrieved 21 February 2016.
  2. "Thelocactus bicolor". The Encyclopedia of cacti. Retrieved 23 December 2018.
  3. "RHS Plantfinder - Thelocactus bicolor". Retrieved 23 December 2018.
  4. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 102. Retrieved 23 December 2018.
  5. "Thelocactus bicolor". The Plant List. Retrieved 23 December 2018.


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