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

43. Diplazium incomptum Tagawa, Acta Phytotax. Geobot. 3: 35. 1934.

疏裂双盖蕨 shu lie shuang gai jue

Allantodia incompta (Tagawa) Ching.

Plants evergreen, medium-sized. Rhizome ascending to erect, black-brown, apex like base of stipe, scaly; scales black, ovate-lanceolate, 3-5 × 1.5-2 mm, margin toothed; fronds caespitose. Fertile fronds up to 70 cm, stipe brown at base, upward green-stramineous, 20-35 cm, ca. 3 mm in diam., base sparsely scaly, upward glabrous, grooved adaxially; lamina 1-pinnate with pinnatipartite pinnae, deltoid-oblong, 50-60 × ca. 25 cm at middle, apex acuminate; pinnae ca. 12 pairs, alternate, spreading, lanceolate, base cuneate or cordate, with stalk ca. 5 mm, margin pinnatipartite to costa, apex acuminate or acute; middle pinnae 13-15 × ca. 3 cm, basal pinnae shorter; pinna lobes ca. 10 pairs, spreading, distant, oblong, 1.5-2 cm × ca. 7 mm, base slightly narrowed, crenate, apex rounded, crenate; veins pinnate, veinlets forked, ascending. Lamina herbaceous, dark green adaxially when dry, gray-green abaxially, rachis green-stramineous; rachis and costae abaxially with sparse, lanceolate, dark brown scales. Sori linear, slightly curved, ca. 4 mm, single or double; indusia brown, linear, membranous, entire, persistent.

Broad-leaved forests; 500-700 m. Taiwan (Pingdong, Taibei, Yilan) [Japan].


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