Dryopteris clarkei (Baker) Kuntze

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Rhizomes erect. Stipe dark brown, 3-18 cm; stipe scales blackish brown, lanceolate, 5-12 × 0.5-1 mm. Lamina 2-pinnatifid to 2-pinnate, lanceolate, 25-90 × 7-17 cm; free lateral pinnae 20-40 pairs, ± spaced (i.e., not continuous); basal pinnae distinctly shortened, 1-4 × 0.5-1.5 cm, reflexed; middle pinnae 3.5-8.5 × 1-2 cm; pinnules entire or nearly so, hyaline margins present, obtuse or subtruncate and entire at apex. Rachises and costae abaxially covered with scales, scales on costae not very abundant, lanceolate, costules without scales. Veins of ultimate pinnules pinnate and veinlets once forked, without glands on abaxial surface. Sori on whole length of pinnules, separate, medial to submarginal. Indusia distinct, persistent or partly fugacious, entire or nearly so. Perispore echinate.
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) 7-11

Usage

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Edible -
Therapeutic use -
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Animal toxicity -

Cultivation

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Distribution

Dryopteris clarkei world distribution map, present in Bhutan, China, India, Myanmar, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:17093650-1
WFO ID wfo-0001125978
COL ID 37W5K
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dryopteris clarkei Nephrodium clarkei Ctenitis clarkei Dryopsis clarkei Lastrea filix-mas var. clarkei