polypodium Vulgare / Bisfaiz
DistributionIndia, China, Taiwan, Indo-China
Description: Epiphytic or terrestrial fern. Rhizome wide, creeping, with brown linear scales. Fronds 30-65 cm long, 8-15cm wide, glabrous or slightly pubescent, cut down to the rachis into numerous, minutely dentate, pinnate, pinnae gradually narrowed towards the base. Sori glabrous, brown.
Use: Roasted powdered rhizome if taken internally relieves backache.