Elaphoglossum costaricense is unique in having capitate glandular hairs that contain secondary compounds that smell like Citrus.
Elaphoglossum costaricense

Elaphoglossum costaricense is unique in having capitate glandular hairs that contain secondary compounds that smell like Citrus.
Nice find! I’ve looked for this species all over in 2013, but most of the specimens I got were actually E. lanceiforme Mickel. Your photos are really great! I loved to see all those little glandular hairs.