is a small evergreen perennial fern inhabiting rocks in mountainous
regions; the rhizomes are short and have 2-20cm long, 1-2cm long
broad leaves of a narrow-lanceolate to -triangular shape. The leaves
are unifoliate and entire, somewhat wavy, and tapering in a runner
way to points and then to reach the ground, and make assexual new
growths to propagate.