Dryopteris indusiata Makino & Yamam.

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Rhizome ascending, ca. 3 cm in diam., densely covered with scales at apex. Fronds caespitose. Stipes dark brown at base and stramineous upward, 20-35 cm, 2-3 mm in diam., base densely covered with lanceolate, black scales, upward subglabrous. Lamina ovate-lanceolate, 25-40 × 20-25 cm, bipinnate. Pinnae 10-15 pairs, opposite, ovate-lanceolate, 12-17 × 3-5 cm, sessile or subsessile, slightly shorter at base. Pinnules 10-12 pairs, oblong-lanceolate, 2-3 × ca. 1 cm, truncate, sessile, pinnatifid to pinnatipartite, apex obtuse; basal pinnules parallel to rachis; lowest basiscopic pinnule on lowest pinna slightly shorter than next and parallel to rachis. Segments 5-7 pairs, entire, 1-or 2-toothed and rounded at apex. Veins pinnate; veinlets simple or forked, visible abaxially. Lamina herbaceous, dark green, glabrous adaxially, scaly abaxially; rachis covered with sparse, black, lanceolate scales; pinna rachis and costa covered with brown, bullate scales. Sori nearer to costa than to margin; indusia brown, reniform, entire. n = 82(123).
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
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Root system rhizome
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Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 6-10

Usage

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Edible -
Therapeutic use -
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Animal toxicity -

Cultivation

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Distribution

Dryopteris indusiata world distribution map, present in China and Japan

Identifiers

LSID urn:lsid:ipni.org:names:17326360-1
WFO ID wfo-0001116990
COL ID 37WP5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dryopteris indusiata Nephrodium gymnosorum var. indusiatum Dryopteris gymnosora var. indusiata