Dipteridaceae
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Dipteris family
Dipteridaceae
ウラジロ科
A family centered on Dipteris, characterized by a distinctive frond that bifurcates into a fan-shaped expansion. Native from Southeast Asia to warm temperate Japan, representing an ancient lineage preserving Jurassic-era venation patterns.
Key Characteristics
- ●Frond lamina bifurcating into a fan-shaped or wing-like expansion
- ●Reticulate venation (dichotomous veins forming a network)
- ●Sori exindusiate, scattered
- ●Homosporous
Phylogenetic Position
Vascular plants > Polypodiophyta > Polypodiopsida > Gleicheniales > Dipteridaceae
Divergence Era
Triassic to Jurassic (approx. 200 million years ago onward)
Representative Genera
ウラジロ属（Dipteris）
Related Evolution Events
- ・Maximization of light-capturing surface area through bifurcation and fan-shaped expansion of the lamina
- ・Preservation of Jurassic-era venation through the development of reticulate veins
Plants in Dipteris family on this site
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