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Siebold's Wood Fern (Dryopteris sieboldii)

Siebold's Wood Fern
Frond detail
Clump

Overview

Siebold's Wood Fern (Dryopteris sieboldii) is a distinctive Japanese fern with large, leathery, undivided pinnae that give a bold, tropical texture. It is highly prized for its architectural foliage.

Taxonomy

Family:Dryopteridaceae
Genus:Dryopteris (dry-OP-ter-iss)
Species:sieboldii (see-BOLD-ee-eye)
Synonym:Dryopteris podophyllum
Synonym:Aspidium sieboldii
Synonym:Lastrea sieboldii
Synonym:Nephrodium sieboldii
Synonym:Pycnopteris sieboldii

Description

Fronds are 40–70 cm long, pinnate, with broad, leathery, undivided pinnae that have wavy margins. The texture is thick and substantial. Stipes have brown scales. Sori are round with kidney-shaped indusium.

Habitat and Cultivation

Native to Japanese forests. Prefers moist, humus-rich soil in shade. Hardy in USDA zones 6–9. The bold foliage makes a dramatic specimen in woodland gardens.

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