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Publicado en: Species Plantarum 2: 1082. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Datos del Proyecto Nombre (Last Modified On 7/9/2009)
Aceptación : Accepted
Datos del Proyecto     (Last Modified On 8/5/2009)

 

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1. Polypodium L. (polypody)

Plants perennial, homosporous. Rhizomes creeping, often branched, the leaves not clustered. Leaves deeply, pinnately lobed (undivided to fully compound elsewhere). Sori circular to oblong, the sporangia attached to the thickened end of short vein-branches, lacking indusia. Sporangia with the annulus an interrupted, vertical ring of cells. Spores monolete, 35–80 mm in length, golden yellow. Gametophytes green, flat, obcordate to kidney-shaped. About 100 species, worldwide.

 

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1 1. Leaves with peltate scales on the undersurface...1. P. POLYPODIOIDES

2 1. Leaves glabrous...2. P. VIRGINIANUM Polypodium virginianum
 
 
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