黑鳞节肢蕨 hei lin jie zhi jue

Rhizome ca. 8 mm in diam., covered with whitish bloom, sparsely scaly; scales nearly black or black, stiff, straight, broad at base, ca. 10 mm, margin irregularly toothed, apex long caudate. Stipe dark stramineous or brown, 20-25 cm, glabrous; lamina imparipinnate, oblong, 50-60 × 25-30 cm; pinnae 5 or 6 pairs, opposite, subsessile, oblique, broadly lanceolate, 15-20 × 3-4 cm, base rounded or subcordate, apex caudate-acute, terminal pinna stalked; lamina papery or herbaceous, abaxially glaucous, adaxially green, both surfaces glabrous. Sori orbicular, ca. 2 mm in diam., in 1 row on each side of costa, medial or slightly close to costa, solitary between lateral veins.

● Epiphytic on tree trunks in evergreen broad-leaved forests; ca. 1800 m. Xizang.