Maidenhair fern family
Adiantaceae

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Maidenhair fern family

Adiantaceae

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A family centered on the genus Adiantum (maidenhair ferns), distinguished by fan-shaped pinnules and revolute leaf margins forming false indusia. The glossy, dark-colored stipes are also characteristic.

Key Characteristics

  • ●Fan-shaped pinnules (ultimate segments)
  • ●Revolute leaf margins forming false indusia (true indusia absent)
  • ●Stipes black to dark brown with a glossy sheen
  • ●Veins free and dichotomously forking

Phylogenetic Position

Vascular plants > Polypodiophyta > Polypodiopsida > Polypodiales > Adiantaceae

Divergence Era

Cretaceous (ca. 100 million years ago–)

Representative Genera

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Related Evolution Events

  • ・Establishment of spore protection through false indusia (revolute leaf margins)
  • ・Development of specialized adaptations to limestone and wet rock faces
View on evolution timeline β†’

Plants in Maidenhair fern family on this site

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