膜叶贯众 mo ye guan zhong

Plants ca. 40 cm tall. Rhizome erect, densely covered with lanceolate brown scales. Stipe stramineous, ca. 15 cm, ca. 2 mm in diam. at base, lower portion densely scaly; scales dark brown, ovate or lanceolate, margins toothed. Lamina oblong-lanceolate, ca. 34 × 12 cm, base slightly contracted, 1-imparipinnate, apex obtuse. Lateral pinnae 6 pairs, alternate, slightly ascendant, shortly stalked, ovate or oblong-ovate; middle pinnae 9-10 × 3.5-4 cm, base broadly cuneate or rounded-cuneate, margins serrulate, apex acute or caudate; terminal pinna ovate or broadly ovate, forked or trifurcate, 6-9 × 6-7 cm; herbaceous, glabrous on both surfaces; venation pinnate, conspicuous on both surfaces, veinlets anastomosing to form multiple rows of areoles. Sori throughout abaxial surface of pinnae; indusia margins denticulate.

● Forests; 1000-1300 m. Hubei (Shennongjia).