Dryopteris pseudosparsa Ching

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Rhizome ascending, ca. 3 cm in diam., clothed with scales. Fronds caespitose. Stipes stramineous, 25-30 cm, 3-4 mm in diam., black and densely covered with scales at base; scales black or dark brown, lanceolate, gradually sparser upward. Lamina ovate-lanceolate, 35-40 × 20-25 cm, bipinnate. Pinnae 10-13 pairs, ovate-lanceolate, 15-18 × 4-5 cm, stalked. Pinnules 10-13 pairs, lanceolate, 2-3 × ca. 1 cm, truncate at base, pinnatilobate or pinnatifid, acute at apex. Segments with a sharp tooth at apex. Veins pinnate, distinct abaxially; veinlets reaching margins. Lamina herbaceous, pale green, subglabrous adaxially, scaly abaxially; scales on rachis black, lanceolate; pinna rachis and costa clothed with brown, bullate scales. Sori medial or nearer costa than margin; indusia reddish at center, reniform, entire.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 4-6
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-12

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Dryopteris pseudosparsa world distribution map, present in China, India, Myanmar, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:17392140-1
WFO ID wfo-0001123023
COL ID 37XFC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dryopteris scabripes Dryopteris cuneatiloba Dryopteris pseudosparsa