Crepidomanes ( )

14 species native AUST.; Qld, N.S.W., Vic., Tas.

Crepidomanes venosum (R.Br.) Bostock

Rhizome widely creeping, c. 0.2–0.3 mm diam., very densely clothed with orange hairs. Stipes not winged, 1–5.5 cm long, filiform, glabrous or with a few unbranched hairs. Rhachis broadly winged towards the apex. Lamina 1-pinnate or with the lower pinnae often again imperfectly pinnate, membranous, pellucid, pale green, irregular in outline, 2.5–10.5 cm long (rarely up to 15cm) including the stipes, 0.5–6.5 cm broad. glabrous or with a few unbranched hairs. Primary pinnae 2–9 pairs, rhomboidal or flabellate; the apex obtuse, truncate or emarginate; margin crenate or sinuate, glabrous, not specialized. Ultimate segments ± oblong except the apical segment which is usually linear. Veins reticulate, very dark brown; the midrib flexuose; the ultimate segments pinnately veined. Sori 2–14 on each frond, usually solitary on each pinna, partly sunken in a short upper basal lobe, but in large fronds 2 sori each occur on the upper and lower margins of the pinna. Involucre (Fig. 13) 1.5–2 mm long, c. 0.3–0.5 mm broad, tubular; the mouth broadly dilated, entire or very slightly 2-lipped. Receptacle long-exserted. Widespread, common in Blue Mts and southern ranges. RF, forming densely matted patches on trees, logs or tree ferns