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FOC | Family List | FOC Vol. 2-3 | Athyriaceae | Athyrium

18. Athyrium erythropodum Hayata, Icon. Pl. Formosan. 4: 233. 1914.

红柄蹄盖蕨 hong bing ti gai jue

Rhizomes moderately stout, erect, clothed with pale brown lanceolate scales at apex. Fronds caespitose; fertile fronds ca. 70 cm; stipe (8-)15-40 cm, 1-2 mm in diam., base with sparse lanceolate scales; lamina 2-pinnate, ovate-lanceolate, 25-35 × 10-23 cm, base rounded, apex somewhat abruptly narrowed and acuminate; pinnae ca. 8 pairs, ovate-lanceolate, 10-15 × 2.5-5 cm, with stalk 5-7 mm, basal pinnae subopposite, upper pinnae alternate, ascending, basal pinnae equal to second basal pinnae, base subrounded, equilateral, apex long acuminate; pinnules pinnatipartite, ca. 12 pairs, sessile, separated by uniform space, ascending, deltoid-oblong, ca. 3 cm × 7 mm, base slightly auriculate on acroscopic side, parallel to costae, cuneate on basiscopic side, pinnatipartite almost to costules, apex shortly acuminate; pinnule segments ca. 6 pairs, oblong, oblique; basal acroscopic segments slightly larger, oblong, ca. 8 × 3 mm, apex acute; veins pinnate in segments, simple, sometimes forked at basal large segments. Lamina herbaceous when dried, rachis on adaxial surface without spines. Sori oblong, sometimes hooked, sitting on acroscopic veins in segments, 1-3 sori per segment; indusia oblong or hooked, membranous, somewhat erose at margin, persistent.

Forests; 1500-2200 m. Taiwan [Philippines].


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