Polystichum taizhongense H.S.Kung

Species

Pteridophytes > Polypodiales > Dryopteridaceae > Dryopteridoideae > Polystichum

Characteristics

Plants summer-green. Rhizome unknown. Fronds 10-15 cm; stipe stramineous with brown base, 3-5 cm, 1-2 mm in diam. at base, densely covered with narrowly lanceolate and linear yellowish brown scales, mixed with narrowly ovate brown scales at stipe base. Lamina bipinnatipartite, linear-lanceolate, 8-12 × 1.6-2.5 cm, slightly contracted at base, acuminate; rachis without proliferous bulbils, with linear yellowish brown scales on both surfaces. Pinnae 19-24 pairs, alternate, slightly angled basiscopically, shortly stalked, ovate or narrowly ovate, middle pairs 6-14 × 4-6 mm, broadly cuneate or rounded-cuneate, pinnatipartite, broadly cuneate or rounded-cuneate. Lobes 2-4 pairs, nearly opposite, slightly ascendant, oblong, ca. 2 × 1 mm, upper part with small acute teeth; abaxially covered with many lanceolate microscales, adaxially sparsely covered with filiform microscales; frond texture papery; venation pinnate on lobes, slightly raised on both surfaces. Sori in 1 row on each side of pinna rachis, terminal on veinlets; indusia present, gibbous with concave centers, irregularly repand.
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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Usage

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Edible -
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Cultivation

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Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:17568400-1
WFO ID wfo-0001242216
COL ID 4LNB6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polystichum taizhongense