Dryopteris simasakii (H.Ito) Sa.Kurata

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Rhizome ascending or erect, densely covered with scales; scales brown, lanceolate. Fronds caespitose. Stipes stramineous, 20-30(-57) cm, 3-4 mm in diam., densely scaly; scales at base lanceolate or broadly lanceolate to linear-lanceolate, up to 2 cm; scales on upper part fugacious or persistent and denser. Lamina ovate-lanceolate, 30-50 × 15-25 cm, bipinnate or tripinnate at base. Pinnae 12-15 pairs, subopposite, spreading below, oblong-lanceolate, 15-18 × 4-5 cm, narrowed at base and sessile, overlapping rachis, acuminate. Pinnules 10-15 pairs, lanceolate, 2-4 cm × 8-12 mm, shallowly cordate, shortly stalked, pinnatifid to pinnatisect, acute or obtuse. Segments 5-8 pairs, obtuse, with an acute apical tooth. Veins pinnate, simple or forked, obscure adaxially, visible abaxially. Lamina herbaceous, yellowish green, glabrous adaxially, scaly abaxially; scales on rachis brown, lanceolate, toothed; pinna rachis densely covered with bullate scales; costa covered with hairlike scales. Sori borne near edges; indusia reniform, entire. n = 123.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
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Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Germination treatment -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Dryopteris simasakii world distribution map, present in China and Japan

Identifiers

LSID urn:lsid:ipni.org:names:17437060-1
WFO ID wfo-0001117014
COL ID 37XPH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dryopteris excelsior Dryopteris laodianensis Dryopteris simasakii Dryopteris erythrochlamys Dryopteris simasakii var. simasakii Dryopteris labordei var. simasakii

Lower taxons

Dryopteris simasakii var. paleacea