Polystichum nepalense (Spr.) C.Chr.

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Polystichum

Characteristics

Plants evergreen. Rhizome erect, densely covered with linear-lanceolate brown scales. Fronds 30-90 cm; stipe stramineous, 16-46 cm, 2-4 mm in diam. at base, sparsely covered with linear and ovate brown scales. Lamina 1-pinnate, lanceolate or broadly lanceolate, 30-52 × 4.5-12 cm, slightly contracted at base, acuminate; rachis without proliferous bulbils, both surfaces sparsely covered with ovate scales. Pinnae 22-30 pairs, alternate, slightly ascendant, shortly stalked, falcate-lanceolate, middle pairs 2.5-7 × 0.8-1.8 cm, bases oblique, apices acuminate; acroscopic margins truncate, auricles deltoid, basiscopic margins cuneate, margins cartilaginous and with small acute teeth or biserrate; abaxially with numerous brown microscales; microscales nearly rounded at base, caudate at apex; frond texture leathery; venation pinnate, midribs flat abaxially, concave adaxially, lateral veins dichotomous, visible on both surfaces. Sori in 1 row on each side of midrib; indusia 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) 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

Polystichum nepalense world distribution map, present in Bhutan, China, India, Myanmar, Nepal, Philippines, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:17207780-1
WFO ID wfo-0001116286
COL ID 4LN3K
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polystichum marginatum Polystichum nepalense Polystichum atroviridissimum Aspidium nepalense