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Published In: Schul-Botanik, oder, Kurze Naturgeschichte der Pflanzen überhaupt 109. 1831. (Schul-Bot.) Name publication detail
 

Project Name Data (Last Modified On 9/21/2011)
Acceptance : Accepted
Project data     (Last Modified On 7/19/2018)
Nomenclature:

PTERIDACEAE (incl. ADIANTACEAE s.lato) [Ord. Polypodiales]

Notes: About forty five genera, mostly tropical, a few in warm-temperate regions, in both hemispheres.

 

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Perennial terrestrial and xeromorphic ferns, a few in damp niches or river banks, diverse in habit. Rhizome solenostelic, erect or creeping, hairy or scaly. Leaves generally uniform, often with shining petiole and rhachis; blade rarely entire, generally l-4-pinnate or pedate, the ultimate pinnules mostly trapeziform or cuneate-flabellate; veins very often free. Sori close to the leaf margin; sporangia borne along and sometimes also between the ends of the veins on the underside of a reflexed continuous or lobed margin (pseudo-indusium) which conceals the sori. Spores tetrahedral or globular.

 

 

 
 
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