- Source: Thelocactus conothelos
Thelocactus conothelos is a species of cactus endemic to Mexico.
Description
Thelocactus conothelos is a solitary, spherical cactus, growing 7 to 18 cm (2.8 to 7.1 in) in height and diameter. Its ribs are indistinct, with conical warts that are light green at the base and squared. The areoles are woolly and about 3 mm (0.12 in) wide. It has 7 to 20 glassy, ocher yellow to grayish radial spines, 8 to 12 mm (0.31 to 0.47 in) long, and 4 central spines that are 1 to 9 cm (0.39 to 3.54 in) long. The large, spreading flowers range from 4.5 to 6 cm (1.8 to 2.4 in) wide and vary in color from white to magenta. Fruits are 12 mm (0.47 in) long and 7 mm (0.28 in) in diameter, with dark reddish to black seeds.
= Subspecies
=Accepted subspecies:
Distribution
This species is native to Tamaulipas, Nuevo León, and San Luis Potosí, Mexico at elevations between 1200 to 2200 meters growing in shrubland and limestone slopes. Plants are found growing along Mammillaria candida, Mammillaria picta, Mammillaria formosa subsp. formosa, Mammillaria winterae subsp. aramberri , Turbinicarpus schmiedickeanus subsp. gracilis, Thelocactus bicolor, Astrophytum myriostigma and Echinocactus platyacanthus
Taxonomy
It was first described as Echinocactus conothelos in 1860 by Eduard von Regel and Edward Klein. The name, derived from Greek, refers to the cone-shaped warts. In 1936, Frederik Marcus Knuth reclassified it as Thelocactus.
References
External links
Media related to Thelocactus conothelos at Wikimedia Commons
Data related to Thelocactus conothelos at Wikispecies
Kata Kunci Pencarian:
- Thelocactus conothelos
- Thelocactus
- Thelocactus macdowellii
- List of least concern plants
- Rapicactus zaragosae