混淆鳞毛蕨 hun xiao lin mao jue

Dryopteris shangqianensis Ching & Z. Y. Liu; D. sinodickinsii Ching ex K. H. Shing & J. F. Cheng.

Plants 50-90 cm tall. Rhizome creeping; scales of rhizome and stipe base dense, black or dark brown, lanceolate, subentire. Fronds approximate; stipe stramineous, ca. 25 cm, upper portion with sparse linear-lanceolate, dark brown scales; lamina lanceolate or elliptic-lanceolate, 35-50 cm, middle portion ca. 25 cm wide, slightly narrowed to base, apex acuminate, bipinnatifid; pinnae 15-20 pairs, alternate, slightly oblique, lanceolate, middle ones longest, ca. 15 × 1.2 cm, base rounded-truncate, sessile or subsessile, apex acuminate, lower ones slightly shortened and reflexed, 6-7 cm; segment apex entire, beak-shaped, sparsely serrulate. Lamina papery, glabrous adaxially, sparsely fibriform-scaly along lateral veins abaxially; rachis densely clothed with linear, ciliate, dark brown scales; veins pinnate, lateral ones simple, inconspicuous adaxially, distinct abaxially. Sori scattered on distal portion of veinlets; indusia orbicular-reniform, membranous, entire, fugacious.

Forests, shaded wet places; ca. 400 m. Fujian, Guangxi, Jiangxi, Sichuan, Zhejiang [Japan].