The habitats of P. solomonii are restricted to moist, rocky slopes of an upper level, degraded, cloud forest vegetation characterized by Baccaris, Hesperomeles, Myrsine, Eryngium community. Populations of P. solomonii are locally common and appear to be allopatric throughout its distributional range in the Zongo valley. —SeeVaradarajan 1989p. 39(3): 121-123