Acrosorus

Acrosorus
Scientific classification
Kingdom:Plantae
Division:Pteridophyta
Class:Polypodiopsida/Pteridopsida
(disputed)
Order:Polypodiales
(unranked):Eupolypods I
Family:Polypodiaceae
Subfamily:Grammitidoideae
Genus:Acrosorus
Copel.
Type species
Acrosorus exaltatus
(Copel.) Copel.
Species

See text

Acrosorus is a genus of grammitid ferns in the family Polypodiaceae, known from the Philippines, Malesia, Thailand, and the Pacific islands.

Description

Members of the genus bear a single sorus on each pinna of the divided leaf blade. The edges of the pinnae are rolled back towards their tips and cover the sori.[1]

Taxonomy

The genus was created by Edwin Copeland in 1906, to accommodate a group of ferns similar to Prosaptia and until then classified in Davallia.[1]

Currently recognized species in the genus are:

  • Acrosorus friderici-et-pauli (Christ) Copel. (includes Acrosorus exaltatus (Copel.) Copel.)
  • Acrosorus grammitidiphyllus (Copel.) Parris
  • Acrosorus merrillii Copel.
  • Acrosorus reineckei (Christ) Copel.
  • Acrosorus schlechteri (Christ) Christ
  • Acrosorus sclerophyllus (Alderw.) Parris
  • Acrosorus streptophyllus (Baker) Copel.
  • Acrosorus subtriangularis (Alderw.) Parris
  • Acrosorus symmetricus Copel.
  • Acrosorus triangularis Copel.

References

  1. 1 2 Copeland, Edwin (1906). "New Philippine Ferns". Philippine Journal of Science. 1 supp. 2: 158.


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