昌江凤尾蕨 chang jiang feng wei jue

Plants 20-30 cm tall. Rhizome ascending, tenuous, ca. 3 cm × 2-4 mm, densely scaly; scales dark brown, glossy, linear-lanceolate or lanceolate, 1-2 mm, entire. Fronds monomorphic; stipe rufous-straw-colored in lower part, light green upward, 5-15 cm, base distinctly scaly, nitid, adaxially grooved; lamina simple, lanceolate, 10-20 × 0.8-1.2 cm, base attenuate, margins narrow, cartilaginous, subentire and repand at base, serrulate above, apex acuminate; costa straw-colored, abaxially prominent, smooth; veins conspicuous, straight, parallel, simple and bifurcate; lamina grass-green when dried, thinly papery, glabrous. Sori brown, on margin of upper lamina except for apex; indusium light gray, narrow, membranous, entire.

● On surface of ground and rocks; 400-800 m. Hainan (Changjiang).