贯众叶节肢蕨 guan zhong ye jie zhi jue

Rhizome 5-7 mm in diam., sparsely scaly; scales castaneous or brown at center, paler toward margin, narrowly lanceolate, 4-6 mm, base broad and peltate, margin minutely toothed, apex subulate. Stipe stramineous, 8-12 cm, 2-3 mm in diam., scaly at base, pubescent upward; rachis stramineous, sparsely pubescent on both surfaces and small scales on lower surface; lamina imparipinnate, lanceolate, 30-50 × 15-20 cm; pinnae 9-16 pairs, opposite, sessile, patent, lanceolate, 5-11 × 1.5-2.5 cm, base rounded, margin entire, not cartilaginous, apex acuminate; lamina green, papery, densely tomentose abaxially, sparsely pubescent adaxially. Sori orbicular, irregularly scattered on abaxial surface of pinnae.

● Epiphytic on isolated tree trunks; ca. 2000 m. Yunnan (Longling).