墨脱节肢蕨 mo tuo jie zhi jue

Rhizome ca. 6 mm in diam., densely scaly; scales brown, ovate at base, margin ciliate, apex long caudate. Stipe stramineous, 20-30 cm, glabrous; lamina imparipinnate, 20-30 × 14-16 cm; pinnae usually 2 or 3 pairs, opposite, distinctly stalked, ascending, ovate or oblong, 11-13 × 3-4 cm, base cuneate, cartilaginous margin entire, apex caudate; lamina papery, abaxially glaucous, adaxially green, both surfaces glabrous. Sori orbicular, mostly in 3 or 4 rows along costa in 1 series between lateral veins.

● Epiphytic on tree trunks; ca. 1600 m. Xizang.