Xerophyte

Throat

Red in the lobivias, light greenish in the Obrepanda group.
Short in the lobivias and long in the Obrepanda group.
Red in the lobivias, distally white and light green basally in the Obrepanda group.This hybrids can be easily distinguished From Echinopsis by their colored flowers and by their rib tubercles, most of which are hatchet-shaped at least in the apical portions of the stems.

Flower Colour

Red in the lobivias and white in the Obrepanda group.

Description

Echinopsis obrepanda var. purpurea are presumed natural hybrids derived from crosses between a member or members of the obrepanda group and one or more unknown lobivias. (Perhaps Lobivia mizquensis, Lobivia pojoensisSN|21066]]SN|21066]] or other similar species, Both with red flower and regarded as varieties of Lobivia calorubra).

Note

This hybrid forms are often listed as subspecies of Echinopsis obrepandaSN|21037]]SN|21037]] but the mixtures of Echinopsis/Lobivia characteristics in virtually all of the presumed hybrids is a good indication that they do have a hybrid origin.

Stamens

Red in the lobivias and white in the Obrepanda group, and