| 1 | Edges of pinnae lobed to less than 1 mm from costa, lobes narrow with wide sinuses between them; indusia glabrous. |
| 1' | Edges of pinnae lobed to 1.5-2 mm from costa; lobes wider than sinuses between them; indusia hairy |
| 2 | Pinnae 3-4 cm long, 10-12 mm wide above auricled base; lobes (except basal acroscopic one) not narrowed towards their bases |
| 2' | Pinnae to 8x2cm, basal acroscopic lobe not much elongate; pinna-lobes widest ⅓ from their apices |
