Caudex short, erect, its apex covered with narrow scales which have filiform apices each consisting of a row of 10 or more cells; stipe to 18 cm long, slender, mid-castaneous, glabrous; lamina of fronds of young plants elongate and slightly tri-lobed, its margins ± sinuous distally, of mature plants subequally trilobed, to 14 cm long, base shortly cordate, lobes entire, acuminate, midlobe to 5.5 cm wide, lateral lobes to 3 cm; lower surface bearing very short slender hairs throughout between veins, upper surface glabrous including costae of lobes; main veins of midlobe 8-10 mm apart along the costa, at a wide angle, slender, small veins forming areoles between them distinct but not prominent; sori small, irregularly scattered, mostly not on free veins in areoles, occasionally ± elongate, exindusiate.
Home