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Caudex short-creeping. Stipe to 50 cm long, glaucous when young, persistent base swollen and fleshy covered with many narrow dark brown scales bearing both acicular and capitate hairs, rest of stipe and rachis smooth. Lamina to 70 x 50 cm, deeply tripinnatifid, pinnae 12-15 pairs, sub-basal ones longest; largest pinnae 20x9 cm, deltoid, pinnate with all pinnules but lowest adnate to a narrowly green-winged pinna-rachis; pinnules oblique to pinna-rachis, largest 5-8 x 1.5-2.5 cm, acuminate, cut almost to costa into oblique dentate to deeply lobed segments 2.5-4 mm wide, largest to 12 mm long; costae and costules bearing scattered pale slender hairs on lower surface, some of them multicellular and over 1 mm long; whole lower surface of lamina bearing short capitate hairs. Sori globose; indusia very small bearing a few capitate hairs; sporangia bearing 2-3 short capitate hairs.
Rhizome shortly creeping. Fronds arching, herbaceous; stipe glaucous when fresh, stramineous when dry, set with castaneous, ciliate scales at extreme base; lamina deltate-acuminate, c. 0.7 x 0.5 m, 4-pinnatifid, very narrowly winging secondary rhachises, set with translucent unicellular hairs scattered sparsely along veins above and below; pinnules lanceolate-deltate, wider and/or more deeply incised on acroscopic margin, pinnatifid almost to costule; ultimate segments lobed 1/3 to 1/2-way to midvein, obtuse, margin entire to dentate; rhachis and secondary rhachises thickly set with translucent, somewhat matted hairs above, sublabrous below; costae and costules pilose with translucent unicellular hairs c. 0.5 mm long, sparsely pilose with translucent unicellular and multicellular hairs c. 1.5 mm long. Sori round; indusium very small, bearing a few capitate hairs.
Rhizome very short-creeping, to c. 1 cm diam. Frond to 120 cm long, herbaceous, pale green. Stipe to 50 cm long, glaucous when young; persistent base swollen and covered with narrow dark brown scales. Lamina deeply 3-pinnatifid, to 70 cm long, 50 cm wide; pinnae 12–15 pairs; subbasal pinnae longest, to 20 cm long, 9 cm wide, pinnate, with all pinnules but the lowest adnate to a narrow green-winged pinna rachis; largest pinnules to 8 cm long, 2.5 cm wide, cut almost to costa in oblique dentate to deeply lobed segments; costae and costules with ± transparent scattered slender hairs on lower surface; some hairs multicellular and more than 1 mm long; lower surface of pinnule bearing short capitate hairs. Sori c. 0.5 mm diam., rounded-reniform, with a few short capitate hairs. Spores irregularly winged. See also Green (1994: 585).
Rhizome short-creeping, up to 40 mm long, up to 5 mm in diam., scaled. Fronds caespitose, arching, up to 1.4 m long. Stipe stramineous, firm, up to 580 mm long, up to 9 mm in diam., with castaneous scales at base. Lamina deltate-acuminate, up to 1.2 x 0.5 m, 4-pinnatifid, secondary rachises narrowly winged, with translucent unicellular hairs scattered sparsely along veins adaxially and abaxially. Pinnules lanceolate-deltate, wider and more deeply incised on acroscopic margin, pinnatifid almost to costule; ultimate segments lobed, up to 1/3-way to midvein, obtuse, margins entire to dentate. Sori circular, up to 1 mm in diam. Indusium small, bearing a few capitate hairs.
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. 2 n = 124.
