Crepidomanes walleri

Hymenophyllaceae

Crepidomanes walleri (Watts) Tindale

Link to Australian Plant Name Index for publication details and synonyms: https://id.biodiversity.org.au/name/apni/84442

Rhizome to 0.5 mm diam., widely creeping; hairs dark brown, septate. Fronds 0.7–4.5 (–11) cm long. Stipe 1.2–20 mm long, not winged, or narrowly winged towards the apex. Lamina narrowly elliptic to broadly ovate, 1-pinnate-pinnatifid to 2-pinnate, 0.5–3 (–9) cm long, 0.2–1.5 (–3.5) cm wide. Ultimate segments to 1.5 mm wide; apex acute or rounded; submarginal false vein absent; accessory false veins numerous, short, flexuous, markedly divergent from the costae, not reaching the margin or the veins. Sori terminal on the basal acroscopic segments of the primary pinnae; involucre immersed, obconic, 0.6–1.8 mm long, 0.7–1 mm wide, with 2 large acutely or obtusely triangular lips; receptacle exserted to 1.6 mm beyond the mouth. 

Endemic to NE and E QLD from Windsor Tableland to Springbrook.

Lithophyte, usually near creeks in mesic mid to upper montane vine forest.