Polystichum balansae Christ

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Polystichum

Characteristics

Plants evergreen. Rhizome erect, densely covered with lanceolate brown scales. Fronds 25-60 cm; stipe stramineous, 12-35 cm, 2-4 mm in diam. at base; basal stipe scales brown, narrowly ovate and lanceolate, with small teeth; distal stipe scales similar but smaller, gradually sparser toward lamina apex. Lamina 1-pinnate, lanceolate or broadly lanceolate, 16-42 × 6-15 cm, slightly contracted at base, acuminate; rachis scaly; scales brown, lanceolate and linear, curled. Pinnae 12-18 pairs, alternate, slightly ascendant, shortly stalked, falcate-lanceolate, lower pinnae 3.5-9 × 1.2-2 cm, bases oblique, acroscopic margins truncate and with acute auricles, basiscopic margins cuneate, margins with small forward-pointing blunt (rarely acute) teeth or sometimes entire or only distal margins with few incisions, apices acuminate or nearly caudate; adaxially glabrous, abaxially with lanceolate brown microscales; frond texture thinly leathery; venation pinnate, slightly raised abaxially, indistinct adaxially, veinlets anastomosing to form 2 rows of areoles, each areole with 1 or 2 included veinlets. Sori in 2 rows on each side of midrib; indusia present, entire.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
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Root system rhizome
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Environment

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Hardiness (USDA) 6-11

Usage

Uses medicinal
Edible -
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Cultivation

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Distribution

Polystichum balansae world distribution map, present in China, India, Japan, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:17259690-1
WFO ID wfo-0001116935
COL ID 4LMMS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cyrtomium kwantungense Cyrtomium balansae f. balansae Polystichum balansae Polystichum miyasimense Phanerophlebiopsis balansae Cyrtomium balansae