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W. manchuriensis resources
Flora
Flora of JapanFlora of Japan
Herbarium
with habit photowith habit photo
Photo
diagnostic: sori, fertile blade, stipe scalesdiagnostic: sori, fertile blade, stipe scales
fertile pinnaefertile pinnae
frond, lower surfacefrond, lower surface
habithabit
habithabit
habitathabitat

All Ferns
Woodsiaceae
�� Woodsia
���� alpina
���� glabella
���� ilvensis
���� intermedia
���� manchuriensis
���� obtusa
���� oregana
���� polystichoides
���� scopulina

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Woodsia manchuriensis Hook.
Etymology This is described as being the Manchurian fern.
Description Rhizome: erect, short, scaly.
Frond: 25 cm high by 5 cm wide, deciduous, monomorphic, blade/stipe ratio: 4:1.
Stipe: persistent bases of unequal lengths, lustrous red-brown at base, becoming straw-colored, then green above, scales tan, near the base, sometimes with darker stripes, to 10 mm, minute hairs or glabrous above, vascular bundles: 2, round or oblong.
Blade: 1-pinnate-pinnatifid, narrowly elliptic, herbaceous, dull green, whitish beneath, nearly glabrous.
Pinnae: 15 to 27 pair, triangular-oblong, pairs further apart the closer to the base, subopposite, the lowest pinnae tiny; costae grooved above, grooves continuous from rachis to costae; margins obtusely toothed; veins free, simple or forked, ending before the margin.
Sori: round, near the margin, indusium: pale brown, shallowly, irregularly lobed, basal, surrounding, sporangia: brown.
Culture Habitat: among rocks in shade. Distribution: Japan, Korea, northeasten China and eastern Siberia. Hardy to -30�C, USDA Zone 4.
Synonyms
Protowoodsia manchuriensis (Hook.) Ching
Notes
Taxonomy The usual sources have conflicting characters for this species, and the photos are of no help. – Tom
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