Evolution of ephedra as the soma of rigveda.

In Rigveda Soma is an evergreen plant, with thousand stalks yellow hued bestowing auspicious energy. Resembling yellow fibres of hemp ephedra was rained in Chlnoso Ho-Ma, Yellow-hemp. It was Sanskritized as Soma. Being an energizer-cum-euphoriant its juice was consumed thrice daily. Finally it became a drug of longevity, rejuvenation and resurrection even god Soma. As drug it was substituted by Rasayana promisiig rejuvenation but also salvation. Soma with Water and Fire constitutes the proto-cosmology of Rigveda.