Dryopteris gymnosora (Makino) C.Chr.

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Rhizome ascending, densely covered with scales at apex; scales black, lanceolate, entire. Fronds caespitose. Stipes dark brown at base and stramineous upward, 20-30 cm, base black and covered with lanceolate, black scales, subglabrous upward. Lamina ovate-lanceolate, 30-40 × 20-30 cm, bipinnate. Pinnae 10-13 pairs, opposite or subopposite, broadly lanceolate, 10-15 × 3-5 cm, usually overlapping rachis at base, sessile. Pinnules ca. 10 pairs, oblong or ovate-lanceolate, 2-3 × ca. 1 cm, pinnatifid to pinnatipartite, obtuse and toothed at apex; lowest basiscopic pinnule on lowest pinna distinctly larger than next. Segments ascending, with toothed apex. Veins pinnate; veinlets simple, visible abaxially. Lamina herbaceous, light green, glabrous adaxially; rachis subglabrous; pinna rachis and costa sparsely covered with bullate scales. Sori exindusiate. n = 123.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
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Soil nutriment -
Hardiness (USDA) 6-10

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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Distribution

Dryopteris gymnosora world distribution map, present in China and Japan

Identifiers

LSID urn:lsid:ipni.org:names:17095750-1
WFO ID wfo-0001116407
COL ID 37WK5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Nephrodium gymnosorum Dryopteris gymnosora