Macrothelypteris
Acta Phytotax. Sin. 8: 308. 1963.
Stems short-creeping, thick, 1 cm diam. Blades 2-pinnate-pinnatifid nearly throughout, broadest at base, apex gradually reduced; pinnae pinnate-pinnatifid, sessile or stalked, not connected by wing along rachis; costae not grooved adaxially; buds absent; veins free, often forked, tips not reaching margin; rachises and costae lacking scales; indument abaxially of unbranched, septate hairs mostly over 1 mm. Sori round, medial to supramedial; indusia small, less than 0.3 mm diam., often obscured in mature sori; sporangial capsules bearing short-stalked glands. x = 31.
Distribution
Tropical and subtropical regions, North America, Asia, Africa, Pacific Islands, Australia in Queensland.
Discussion
Species ca. 10 (1 introduced in the flora).
Selected References
None.