Asplenium rutifolium (P. J. Berg.) Kunze

Rutifolium: with leaves like Ruta, a genus of the Rutaceae family.

Rhizome erect, up to 25 mm wide and 40mm long; scales dark brown, up to 9mm long, margin subentire, linear-lanceolate. Fronds tufted, not proliferous, coriaceous. Stipe up to 18 cm, glabrous at maturity, pale straw-coloured to matt brown when dry. Lamina 7-30 cm × 2.8-11 cm, 2- to 3-pinnatifid, oblong-lanceolate in outline. Pinnae hairless or with few small scales below, deeply incised into linear-oblanceolate lobes but with a 2-9 lobed acroscopic basal segment or with some of the lower segments sometimes 2-fid, angled forward at c. 45°.  Sori one per lobe,oval, situated on the lateral margin, half way up the lobe, facing toward the pinnae apex, indusium entire.

Kenya, Malawi, Mozambique, South africa, Swaziland, Tanzania, Zimbabwe, also Yemen and Madagascan region