Asplenium sandersonii Hook.

sandersonii: named after J. Sanderson (1820-1881), an amateur plant collector in Natal.

Rhizome erect, c. 3 mm diameter; scales brown, margin entire, c. 4 mm long, lanceolate. Fronds tufted, arching, uniform, proliferous, fleshy. Stipe up to 4 cm, subglabrous. Lamina pinnate, 10-30 cm × 1.5-2.5 cm, linear to lanceolate in outline. Pinnae distaly slowly decreasing in size and ending in a naked extension of the rhachis that bears a proliferating bud. Pinnae falcate, basal margin entire, distal and acroscopic margins with broadly rounded lobes, base unequal; upper surface glabrous, undersurface with a few substellate scales. Sori up to 6 per pinna oval, covering most of the pinnae, indusium present.

Angola, Annobon, Bioko, Burundi, Cameroon, DRC, Ethiopia, Gabon, Kenya, Malawi, Mozambique, Nigeria, Rwanda, Soa Tomé, South Africa, Sudan, Tanzania, Uganda, Zimbabwe, Madagascan region