Leaf anatomy of the genus Ehrharta (Poaceae) in southern Africa: the Villosa group
The click here leaf blade anatomy of Ehrharta villosa Schult.f.var.villosa, var.maxima Stapf and E.thunbergii Gibbs Russell is described and illustrated.These three taxa, constituting the Villosa species group, share a diagnostic leaf anatomy distinguished by the absence of a distinct midrib, adaxial semi-radiate mesophyll with the abaxial chloren-