The macromorphology, palynology, karyology, cpDNA trnL-F sequences and phen
olic components of P. appendiculatum (L.f.) Willd., P. crassipes Harv., P.
fulgidum (L.) L' Herit., P. hirtum (Burm.f.) Jacq., P. hystrix Harv., P. or
eophilum Schltr., P, pulchellum Sims, P. sericifolium J.J.A. v.d. Walt, P.s
tipulaceum (L.f.) Willd. and P. torulosum E.M.Marais were studied. It is co
ncluded that these 10 species are related and that they should be grouped i
n a single section.