The dense covering of reduced pinnae, or “aphlebieae”, along the rhizome help diagnose this large and handsome filmy fern. My observations in the field indicate that it has a primary hemiepiphytic habit.

The dense covering of reduced pinnae, or “aphlebieae”, along the rhizome help diagnose this large and handsome filmy fern. My observations in the field indicate that it has a primary hemiepiphytic habit.
Gymnosphaera salvinii is one of two Neotropical species in the genus. The others are Paleotropical. The conspicuous skeletonized lower pinnae (aphlebia) characterize the clade. The functional significance of aphlebia, if there is any, is unknown. [gallery link="file"...
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