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FOC | Family List | FOC Vol. 2-3 | Woodsiaceae | Woodsia

8. Woodsia macrochlaena Mettenius ex Kuhn, J. Bot. 6: 270. 1868.

大囊岩蕨 da nang yan jue

Woodsia frondosa Christ; W. japonica Makino.

Plants 5-16(-20) cm tall. Rhizomes short, erect or ascending, scaly at apex; scales brown, lanceolate, 3-4 mm, membranous. Fronds clustered; stipe stramineous, 1-7.5 cm, ca. 1 mm in diam., articulate at top, with sparse, brown, articulate hairs; lamina 2-pinnatifid, elliptic-lanceolate, 4-10 × 2-3 cm, herbaceous, densely covered with articulate hairs, especially abaxially, base slightly narrowed or not, apex acute; rachis similarly hairy; pinnae 7-10 pairs, connected to each other by wings except for basal pinnae, opposite, spreading or slightly oblique, sessile; middle pinnae slightly longer, elliptic-oblong, 7-11(-22) × 5-12 mm, base symmetrical, margin pinnatifid, lobes entire, apex obtuse. Veins obscure, pinnate, tips often enlarged to form hydathodes. Sori orbicular, terminal at tips of veinlets, submarginal; indusia cup-shaped, membranous, lacerate.

Rock crevices in forests. Hebei, Liaoning, Shandong [Japan, Korea, Russia].


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