Stipe to 15 cm long, slender, dark brown, minutely hairy throughout; basal scales 7 mm long, 0.5 mm wide at their bases, filiform distally, medium brown, thin; scales above base gradually shorter and darker, very narrow with widened bases; lamina to 23 cm long, to 10 cm wide at the base, texture firm and opaque; pinnae to 10 pairs; basal pinnae to 7 cm long (including stalk of 5 mm) bearing several pairs of pinnules, basal pinnules on the two sides about equal, to 16 × 7 mm with obtuse apex, bearing 1 or 2 pairs of tertiary leaflets which are 3 mm long, not quite 3 mm wide, with truncate base and broadly rounded slightly crenate apex, other pinnules gradually smaller, the middle ones deeply lobed near their bases only; lower surface of pinna-rachis and costae of pinnules bearing very short hairs and copious scales, the largest 3 mm long, 0.2-0.3 mm wide at their bases, flat, very narrow distally, cells near base isodiametric; lower surface of leaflets, on and between veins, bearing many appressed pallid cylindric glands 0.1 mm long; upper surface of pinna-rachis bearing scales as lower, also abundant thicker short hairs; upper surface of leaflets densely covered with very short erect hairs and pale appressed glands; sori about medial on veins; indusia very small, fugacious, bearing minute hairs.
Home