Stems erect, axcending to shortly decumbent at base, simple or sparsely forkid, 7-25cm Long, striate, bulbils in upper part deep green, consisting of 3oblong, obtuse,carnose, erect leaves about 5mm Long; leaves rather thin and loose, spreading tosubdeflexed, narrowly to broadly lanceolate, 6-20mm long, 1-5mm wide, acuminateto short-cuspidate, green, foat, sometimes unequal in size, costate on both sidesespecially so beneath, serrate and sometimes crisped on margin, nearly sessile;sporangia in axils of ordinary leaves, reniform, sessile. (Korea)