''Tephrocactus'' (from
Greek ''tephra'', "ash", referring to the color of these plants'
epidermis
The epidermis is the outermost of the three layers that comprise the skin, the inner layers being the dermis and hypodermis. The epidermis layer provides a barrier to infection from environmental pathogens and regulates the amount of water rele ...
) is a
genus of the cactus family (
Cactaceae).
Species
Species of the genus ''Tephrocactus'' according to
Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
:
References
Bibliography
* G. G. Leyton-Boyce et J. Illiff : ''The subgenus Tephrocactus (of the genus Opuntia), Morden, 1973
External links
*
photos on www.cactiguide.com
Opuntioideae genera
{{Cactus-stub