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Matoniaceae Presl

Genera 16, 17
  • Alice F. Tryon
  • Bernard Lugardon

Abstract

A relict family of the Malesian region of two genera, Matonia and Phanerosorus. The spores are large, trilete with dense granulate deposit and rodlets. The exospore is three-layered on the proximal face, with the middle layer extending between the aperture and enlarged flange, as in the Gleicheniaceae. Rodlets formed in the thick perispore are especially long in Matonia. Although the leaves in these genera are of very different forms, the spores clearly indicate relationships of the two genera. Similarities of the spores with those of the Triassic and Cretaceous genus Pleobopteris suggest old connections of the family.

Keywords

Early Cretaceous General Literature Cretaceous Deposit Spore Size Distal Face 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literature

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Copyright information

© Springer-Verlag New York Inc. 1991

Authors and Affiliations

  • Alice F. Tryon
    • 1
  • Bernard Lugardon
    • 2
  1. 1.Herbarium, Department of BiologyUniversity of South FloridaTampaUSA
  2. 2.Biologie VégétaleUniversité Paul SabatierToulouseFrance

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