Dryopteris tahmingensis Ching

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Rhizome ascending or erect, ca. 2.5 cm in diam., densely clothed with linear-lanceolate, black or dark brown scales. Fronds caespitose. Stipes dark brown at base and stramineous upward, up to 40 cm, ca. 3 mm in diam., densely covered with lanceolate, dark brown scales at base, upward scales becoming small and sparse or stipe becoming subglabrous. Lamina ovate-lanceolate, 20-35 × 15-20 cm, bipinnate. Pinnae 8-10 pairs, opposite below, alternate above, deltoid-lanceolate, 9-10 × 3-4 cm, stalked. Pinnules 6-8 pairs, deltoid-ovate, 1.5-2 × ca. 1 cm, base widest, cordate and stalked, pinnatilobate, obtuse at apex. Segments obtuse, with a sharp apical tooth. Veins pinnate; veinlets simple or forked, visible abaxially. Lamina herbaceous, yellowish green, subglabrous adaxially; rachis clothed with linear-lanceolate, dark brown scales; pinna rachis and costa densely covered with dark brown bullate scales. Sori slightly nearer to costa than to margin; indusia brown, reniform, entire.
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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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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Optimum temperature (C°) -
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Productivity -

Distribution

Dryopteris tahmingensis world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:17392730-1
WFO ID wfo-0001123046
COL ID 37XVF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dryopteris hwangii Dryopteris tahmingensis