Pteridium aquilinum dt

Pteridium aquilinum dt

Observation - Pteridium aquilinum dt - Southern Africa. Description: Perennial with subterranean rhizome. Fronds erect, to 1.5 m long, stipe glabrous at maturity, lamina deltate, 3- or 4-pinnate, pinnule segments deeply pinnatifid into obtuse, oblong lobes, glabrous or thinly pubescent above, densely pubescent-tomentose be

Perennial with subterranean rhizome. Fronds erect, to 1.5 m long, stipe glabrous at maturity, lamina deltate, 3- or 4-pinnate, pinnule segments deeply pinnatifid into obtuse, oblong lobes, glabrous or thinly pubescent above, densely pubescent-tomentose beneath. Sori elongate, submarginal, pseudo-indusium ciliate.