Fern 7: Fern With an Arc-Shaped Sorus

Fern Sori
Fern with an arc-shaped sorus covered by indusium.

This fern has an arc-shaped sorus, covered by a kidney-shaped protective plates called indusium. The sori are arranged in a linear pattern on the underside of this fertile frond.

Fern Sori
Exposing the sori of the fern.
Fern
This is the upper surface of the frond.

 

Location: South Cotabato/ Division: Pteridophyta

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