Pyrrosia davidii (Giesenh.) Ching

Species

Pteridophytes > Polypodiales > Polypodiaceae > Platycerioideae > Pyrrosia

Characteristics

Plants 5-20 cm tall. Rhizome shortly elongated, 1.6-3.1 mm in diam., in cross section with few to many sclerenchyma strands; phyllopodia 0.3-0.7 cm apart, lateral buds alternating with phyllopodia. Scales peltate, 1.4-6.8 × 0.5-2.1 mm, base entire to ciliate; acumen light brown to dull blackish with a distinct lighter margin, ciliate to dentate. Fronds monomorphic, not or indistinctly up to 5 cm stipitate; lamina widest above middle, 3-15 × 0.5-1.5(-2) cm, base gradually narrowed, apex acute to acuminate. Hydathodes distinct, superficial. Indument persistent, nearly or completely monomorphic, sparse to dense, hairs 0.2-1.6 mm in diam. Sori superficial, without central bundle of paraphyses. Sporangia with stalks up to as long as capsule.
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Growth support free-standing
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Mature height (meter) 0.05 - 0.2
Root system rhizome
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Hardiness (USDA) 5-10

Usage

Uses medicinal
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Cultivation

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Distribution

Pyrrosia davidii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:17453290-1
WFO ID wfo-0001117284
COL ID 4QW7K
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Niphobolus davidii Polypodium davidii Pyrrosia pekinensis Cyclophorus transmorrisonensis Cyclophorus subfissus Pyrrosia davidii Cyclophorus pekinensis Pyrrosia nudicaulis Cyclophorus davidii Niphobolus gralla Cyclophorus gralla Pyrrosia gralla Pyrrosia subfissa Pyrrosia transmorrisonensis