Dryopteris atrata (wall. ex Kunze) Ching

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Plants 50-60 cm tall. Rhizome erect, short, densely clothed with lanceolate, brown scales. Fronds caespitose; stipe stramineous, 20-30 cm, base densely clothed with lanceolate, brownish black scales, upper portion toward rachis densely clothed with linear or subulate, brownish black, ciliate scales; lamina lanceolate or broadly lanceolate, up to 30 cm, ca. 15 cm wide at middle, once pinnate, base not narrowed; pinnae ca. 20 pairs, nearly spreading, lanceolate, middle pinnae 8-10 × 1.2-1.5 cm, base truncate, subsessile, margin coarsely dentate to pinnately lobed, apex acuminate. Lamina papery; pinna rachis and veins sparsely clothed with brownish black scales abaxially; lateral veins simple. Sori on middle of veinlets, scattered on each side of costa; indusia orbicular-reniform.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.5 - 1.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 2-6
Soil humidity 5-7
Soil texture 1-2
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 7-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions.
Mode divisions
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Dryopteris atrata unspecified picture
Dryopteris atrata unspecified picture

Distribution

Dryopteris atrata world distribution map, present in Bhutan, China, India, Myanmar, Nepal, Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:17323700-1
WFO ID wfo-0001107296
COL ID 37VWR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Aspidium atratum Nephrodium atratum Dryopteris atrata Dryopteris hirtipes subsp. atrata Dryopteris hirtipes var. atrata