Polystichum pseudosetosum Ching & Z.Y.Liu

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Polystichum

Characteristics

Plants evergreen. Rhizome erect, densely covered with lanceolate dark brown scales. Fronds ca. 40 cm; stipe stramineous, ca. 14 cm, ca. 3 mm in diam. at base, densely scaly; scales dark brown, linear and linear-lanceolate, lower part of stipe mixed with larger scales, larger scales brown, lanceolate. Lamina bipinnate, broadly lanceolate, 28-30 × 6.5-8 cm, slightly contracted and becoming rounded-cuneate toward bases, acuminate; rachis stramineous, densely scaly abaxially, without proliferous bulbils; scales brown, linear with dilated base, margins ciliate. Pinnae 28 pairs, alternate, slightly ascendant, shortly stalked, lanceolate, middle pairs 4-5 × 1-1.2 cm, bases oblique, acroscopic margins truncate, basiscopic side broadly cuneate, pinnate, apex acuminate. Pinnules 5-8 pairs, alternate, ascendant, lower pairs shortly stalked, obliquely oblong or ovate, 0.8-1.2 cm × 4-5 mm, obliquely cuneate, acroscopic bases exauriculate, entire, acute; basal acroscopic pinnule largest, deltoid-ovate, acroscopic margins almost entire; both surfaces glabrous; frond texture thinly leathery; venation pinnate on pinnules, indistinct on both surfaces or concave adaxially. Sori in 1 row on each side of pinnule midrib; indusia present, 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) -

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 pseudosetosum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:17510280-1
WFO ID wfo-0001232538
COL ID 4LN6X
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polystichum pseudosetosum