Caudex short, erect; stipe very dark, to 50 cm or more long, copiously scaly at the base, scales to 20 mm long, little over 1 mm wide, firm, twisted, smaller narrower scales less abundant distally and on lower surface of rachis and costae of pinnae; lamina very similar in size and shape to that of T. melanocaula, differing as follows: lower surface of all axes of the frond, and veins, bearing hairs up to more than 0.5 mm long, similar shorter hairs ± abundant between veins; upper surface also bearing many short hairs between veins, also very small spherical glands; sori larger, in a row on each side of main veins in pinna-lobes (some additional ones present near costae of pinnae); indusia large, bearing slender hairs like those between veins on the lower surface; spores densely covered with very short spines.
Home