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 | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Thelocactus |
| Species: | T. bicolor
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| 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 edit
- Thelocactus bicolor subsp. bolaensis (Runge) Doweld
- Thelocactus bicolor subsp. flavidispinus (Backeb.) N.P. Taylor
- Thelocactus bicolor subsp. schwarzii (Backeb.) N.P. Taylor[5]
Gallery edit
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Thelocactus bicolor -
Thelocactus bicolor subsp. schwarzii -
Thelocactus bicolor v. tanquecillos -
Pistil and stamens -
Thelocactus bicolor subsp. bicolor -
Thelocactus bicolor
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References edit
- ^ Goettsch, B.K.; Heil, K.; Terry, M.; Corral-Díaz, R. (2017). "Thelocactus bicolor". IUCN Red List of Threatened Species. 2017: e.T152343A121588774. doi:10.2305/IUCN.UK.2017-3.RLTS.T152343A121588774.en. Retrieved 13 November 2021.
- ^ "Thelocactus bicolor". The Encyclopedia of cacti. Retrieved 23 December 2018.
- ^ "RHS Plantfinder - Thelocactus bicolor". Retrieved 23 December 2018.
- ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 102. Retrieved 23 December 2018.
- ^ "Thelocactus bicolor". The Plant List. Retrieved 23 December 2018.
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