Huernia macrocarpa var. penzigii (N.E.Br.) A.C.White & B.Sloane
Apocynaceae
McLeester, Robert Charles
s.n.
1955-10-26
United States, Minnesota, Hennepin, Minneapolis, Cultivated in the University of Minnesota Greenhouse. Type Locality: Eritrea, among rocks on Mount Sevan, near Keren