... Platycoryne is probably Zambia where 12 of the 17 known . species occur . Platycoryne Platycoryne guingangae shows very well the typical orange to orange- yellow colour usually displayed in this ge- nus . Centrostigma Schltr . A ...
... Platycoryne buchananiana calvilabris Summerh . NS macrura Kraenzl . cataphysema Rchb.f. Nw N Ce macrotidion Summerh ... guingangae Rchb.f. = Platycoryne guingangae retinervis Summerh . Nw Co N Ce Ls S W harmsiana Schltr . NE ...