名称:
Studies on Mexican Cactaceae. II. Opuntia megarrhiza, a poorly known endemic from San Luis Potosí, Mexico
摘要:
Opuntia megarrhiza Rose (Cactaceae) is a species endemic to central San Luis Potosi,, Mexico that, since originally described in 1906, has remained poorly understood. A comprehensive morphological description is presented and its presumed taxonomic affinity with O. chaffeyi is discussed. General accounts of its distribution, ecology, uses, and conservation status are presented.