G4T3 Apparently Secure, Infraspecific Taxon - Vulnerable


Robert Sivinski (2019)

Coryphantha robustispina ssp. scheeri (Mulee, needle mulee, beehive cactus, pineapple cactus, Scheer pincushion)

Stems succulent, hemispheric, tubercled, up to 15 cm in diameter and tall, or exceptionally taller, usually single but sometimes a few in a cluster; tubercles to 7 mm long, conical, somewhat dorsiventrally flattened, with a felted groove running the ...