Dryopteris submarginata Rosenst.

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Dryopteris

Characteristics

Rhizome ascending, densely covered with scales at apex. Fronds caespitose. Stipe stramineous, 40-50 cm, 3-4 mm in diam., base densely scaly; scales black or black in center and white in margin, lanceolate, ca. 1 cm, hairlike at apex; scales sparse upward. Lamina ovate-lanceolate, 35-45 × 25-30 cm, tripinnate. Pinnae 8-12 pairs, opposite or subopposite, ovate-lanceolate, 12-15 × 3-4 cm, sessile or subsessile; basiscopic pinnule obliquely spreading; acroscopic pinnule overlapping rachis. Pinnules 10-12 pairs, ovate-lanceolate, base cuneate or subtruncate, margin pinnatipartite to pinnatisect, apex acute or obtuse; basiscopic pinnules larger than acroscopic pinnules; second basiscopic pinnule on lowest pinna largest, up to 5 × 3 cm. Segments 5-8 pairs, margin toothed, apex rounded. Veins pinnate; veinlets simple, obscure on both surfaces. Lamina herbaceous, pale green, glabrous adaxially, scaly abaxially; scales on rachis black, lanceolate; scales on pinna rachis and costa brown, bullate. Sori on either side of costa; indusia brown, 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 -
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°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Dryopteris submarginata world distribution map, present in China and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:17284130-1
WFO ID wfo-0001127295
COL ID 37XTP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dryopteris sessilipinna Dryopteris nudistipes Dryopteris submarginata