Not so hairy orange oxalis - Somerset West

Not so hairy orange oxalis - Somerset West

Observation - Not so hairy orange oxalis - Somerset West - Southern Africa. Description: These plants had longer and thinner flower stems than those posted from the same location - http://www.ispotnature.org/node/707317. The leaves were also a lot less hairy - very little or no hair on upper surface of leaves. And the leaves were not in such

These plants had longer and thinner flower stems than those posted from the same location - http://www.ispotnature.org/node/707317. The leaves were also a lot less hairy - very little or no hair on upper surface of leaves. And the leaves were not in such a dense "mat" as those in the other obs. They were distinctly different but growing a few metres apart. Could these be different varieties? The colour varied from orange to light pink.