Polystichum acanthophyllum (Franch.) Christ

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Polystichum

Characteristics

Plants evergreen. Rhizome erect, densely scaly; scales blackish or dark brown, lanceolate. Fronds 8-28 cm; stipe stramineous, 2-12 cm, 3-5 mm in diam. at base, scaly; scales brown or dark brown, narrowly ovate and lanceolate. Lamina bipinnate, lanceolate, 6-26 × 1.5-5 cm, slightly contracted at base, acuminate; rachis without proliferous bulbils, abaxially scaly; scales brown or dark brown; larger scales lanceolate, margins ciliate; smaller scales filiform, strongly ciliate at base. Pinnae 12-28 pairs, alternate, attached at right angles to rachis or slightly ascendant, deltoid-ovate, 0.6-2.5 cm, bases obliquely broadly cuneate to truncate, subsessile, pinnate, apices acute and spinulose. Pinnules 1-3 pairs, alternate, attached at nearly right angles to rachis, broadly ovate, rhombic-ovate, or obovate, bases cuneate, margins with few open spinulose teeth, apices acute and spinulose; abaxially scaly; microscales filiform, strongly ciliate at base; frond texture leathery; venation pinnate on pinnules, slightly concave abaxially, indistinct adaxially. Sori in 1 row on each side of midrib; indusia present, slightly toothed.
Life form perennial
Growth form herb
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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
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Cultivation

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Distribution

Polystichum acanthophyllum world distribution map, present in China and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:17205290-1
WFO ID wfo-0001123433
COL ID 4LMKL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polystichum horridipinnum Polystichum spinescens Aspidium acanthophyllum Polystichum acanthophyllum Polystichum aculeatum var. acanthophyllum