网藤蕨 wang teng jue

Campium matthewii Ching, Bull. Fan Mem. Inst. Biol. 1: 158. 1930; Aspidium sorbifolium Willdenow; Lomagramma sorbifolia (Willdenow) Ching.

Rhizomes dark brown, 0.3-0.8 cm in diam., covered with gray scales, naked when old; scales lanceolate, vermiform, ca. 1.5 cm. Fronds grass-green when dry, thinly papery, with sparse dark brown scales on rachis abaxial surface; stipe 15-30 cm, iridescent, grooved above, with sparse lanceolate, dark brown scales (ca. 1 mm); sterile lamina pinnate, elliptic-lanceolate, 30-80 × 8-20 cm; pinnae 17-34 pairs, lower pinnae 2-5 cm apart, central pinnae close, linear-lanceolate, 3.5-10 × 1-2.3 cm, articulate to rachis, base rounded-truncate, margin crenate, apex acuminate; apical pinna narrowly lanceolate, not articulate; distal part of rachis with narrow wing; veins forming costal, irregular, triangular or pentagonal areoles and 3 distal rows of areoles, without included free veinlets. Fertile fronds with stipe 10-15 cm; lamina pinnate, elliptic, 50-60 × 15-20 cm; pinnae 22-28 pairs, sessile, 2-3 cm apart, linear, 70-90 × 3-5 mm, base broadly cuneate, margin entire, apex long acuminate. Sori acrostichoid.

● Creeping on rocks or tree trunks in dense forests; 300-700 m. Fujian, Guangdong, Hainan, Yunnan.