南岭凤尾蕨 nan ling feng wei jue

Plants perennial, up to 76 cm tall. Rhizome short, thick, decumbent, ca. 1 cm in diam. Fronds dimorphic, clustered. Sterile fronds: stipe straw-colored, light-brown at base, 20-24 cm × ca. 1 mm, glabrous, adaxially grooved; lamina 3-lobed, or apical pinnae forked into 2 pairs of pinnules, 15-20 cm; lateral pinnules similar to terminal pinnule but shorter, basal stalk ca. 2 mm, margins cartilaginous, slightly reflexed, with small acute, sparse teeth, entire near base, apex acuminate; terminal pinnule lanceolate, ca. 18 × 3.2 cm, basally slightly cuneate, basal stalk 2.4-2.6 cm. Fertile fronds pinnate, lateral pinnae 2 pairs; terminal pinna linear, 19.5-22 cm × 8-10 mm, basal stalk ca. 2 cm; lateral pinnules slightly short, stalked (5-8 mm); upper pair sessile, sterile margins with acute teeth; midvein straw-colored or light brownish, thinly grooved adaxially, raised abaxially; veins conspicuous, simple or forked. Lamina gray-green, subleathery or leathery, glabrous. Sori linear, along with margin, only apices sterile; indusia gray-green, linear, membranous, subentire.

● Guangdong (Ruyuan).