Dryopteris pycnopteroides (Christ) C.Chr.

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Plants 60-100 cm tall. Rhizome erect, densely clothed with ovate-lanceolate, brown scales. Fronds caespitose; stipe brown or stramineous at base, 20-30 cm, densely clothed with ovate, entire, glossy, brown scales, these usually appressed but lanceolate and spreading upward; lamina lanceolate, 40-70 × 15-20 cm, once pinnate, base slightly narrowed, apex acuminate; pinnae 18-30 pairs, remote (lower ones 3-4 cm apart), lanceolate, 10-13 × 1.5-2.5 cm, base truncate, shortly stalked, apex acuminate or caudate-acuminate; apex of segments with 1 or 2 beak-shaped teeth. Lamina herbaceous or papery, both surfaces glabrous; rachis and costa clothed with lanceolate or linear, brown scales abaxially; veins pinnate, 3 or 4 pairs on each segment, not forked, slightly grooved adaxially, distinctly raised abaxially. Sori 2 or 3 pairs on each segment, abaxial on veins, nearer to costa than to margin; indusia orbicular-reniform, membranous, entire, readily deciduous at maturity.
Life form perennial
Growth form herb
Growth support -
Foliage retention
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 1.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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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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Optimum temperature (C°) -
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Productivity -

Images

Dryopteris pycnopteroides unspecified picture

Distribution

Dryopteris pycnopteroides world distribution map, present in China and Japan

Identifiers

LSID urn:lsid:ipni.org:names:17249700-1
WFO ID wfo-0001117005
COL ID 37XGC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Aspidium pycnopteroides Dryopteris pycnopteroides Dryopteris sunii