Macrothelypteris torresiana
Acta Phytotax. Sin. 8: 310. 1963.
Stems short-creeping, thick, to 10 mm diam. Leaves monomorphic, evergreen, 60–150 cm. Petiole to 75 cm × 3–12 mm, glaucous when living. Blade 2–3-pinnate, to ca. 85 cm. Pinnae to 35 × 10(–17) cm; pinnules sessile to adnate, oblique, 2–8 × 0.8–2.5 cm, incised almost to costule into oblique segments 2–4 mm wide, segments entire to dentate or pinnatifid; veins forked or simple. Indument abaxially of septate hairs 1–2 mm on costae and costules; rachis, costae, and blade tissue with capitate glands 0.05 mm. Sori round, indusia small, less than 0.3 mm diam., glabrous or glandular; sporangia with minute capitate glands near annulus. 2n = 124.
Habitat: Terrestrial in damp woods and along stream banks
Elevation: 0–100 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., S.C., Tex., s Mexico, West Indies in the Antilles, Central America, South America to n Argentina, native to tropical and subtropical Asia, Africa.
Discussion
The name Dryopteris setigera (Blume) Kuntze has been misapplied to plants in the flora.
Selected References
None.