|Highly variable, epiphytic fern with upright, round to heart-shaped, medium to dark green then brown, sterile fronds, 5 to 18 inches long. Fertile fronds are gray-green, forked into 2 or 3 hairy, strap-shaped segments, to 36 inches long. Vigorous grower. Grow on a thick branch or in spahgnum peat moss. Mist daily.