Lord Britton & J.N. Rose, 1913
Plutonopuntia chaffeyi, P.V.Heath.
This member of the Cactaceae
family was described by Nathaniel Lord Britton and Joseph Nelson
Rose in 1913. It is found
in Zacatecas, north-eastern Mexico, growing in grit with
some water and lots of sun. The flowers are light yellow. The root will get up to
four centimetres in diameter
and 35 centimetres long. The whole plant will get 16
genus is named for the Ancient Greek city of Opus, where,
according to Theophrastus, an edible plant grew and could be
propagated by rooting its leaves. Surely not this genera. The
species name after Dr. Elswood Chaffey, an US-American plant
collector in Mexico.