Pyrrosia petiolosa (Christ) Ching

Species

Pteridophytes > Polypodiales > Polypodiaceae > Platycerioideae > Pyrrosia

Characteristics

Plants 5-15 cm tall. Rhizome long creeping, 1-2.5 mm in diam.; phyllopodia 0.5-2.5 cm apart, in cross section with few scattered sclerenchyma strands, lateral buds alternating with phyllopodia. Scales peltate, 2.2-4.4 × 0.6-1 mm, base entire to dentate; acumen dull brown with a shiny black spot near attachment, ciliate. Fronds slightly dimorphic, stipitate. Sterile fronds: stipe 1-16 cm, (0.06-)0.2-1.5 × as long as lamina; lamina 1.5-7(-10.5) × 0.7-2.2(-3.3) cm, widest near middle, base cuneate to attenuate, apex acute to rounded. Fertile fronds: stipe 0.5-12 cm, 0.5-1.5 × as long as lamina, 1-8.5 × 0.5-2 cm. Hydathodes distinct, distinctly sunken. Indument persistent, monomorphic, dense, light gray to brown; hairs 0.4-0.6 mm in diam., with appressed, boat-shaped rays. Sori superficial, without central bundle of paraphyses. Sporangia with stalks 1-2 × as long as capsule.
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Mature height (meter) 0.05 - 0.15
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 petiolosa world distribution map, present in China and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:17416510-1
WFO ID wfo-0000748144
COL ID 4QW9J
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pyrrosia petiolosa Polypodium petiolosum Cyclophorus petiolosus Niphobolus petiolosus