12. Lindsaea austrosinica Ching, Bull. Fan Mem. Inst. Biol., n.s. 1: 297. 1949.
华南鳞始蕨 hua nan lin shi jue
Rhizomes shortly creeping, densely scaly; scales ± spreading, reddish brown, narrowly lanceolate, 2-6 cells wide at base, acicular at apex. Fronds distant, 1-2.5 cm apart; stipe castaneous, 30-45 cm, quadrangular; lamina ovate or oblong, 23-32 × 10-15 cm, papery, 2-pinnate, base broadly cuneate to truncate, terminal pinnae similar to lateral ones; pinnae 3-5 pairs, linear, stalked, stalks 0.5-1.5 cm; pinnules 10-17 pairs, dimidiate, rectangular or nearly so, subentire or with 1-3 incisions on upper and outer margins, incisions reaching hardly beyond receptacle, apex rounded or rectangular, usually catadromous, upper pinnules slightly reduced toward apex, truncate at base; veins free, evident on abaxial surface and visible on adaxial surface. Sori marginal, terminal on 4 to many veins; indusia linear, continuous or interrupted.
Terrestrial, forests; 900-1000 m. Guangxi, Hainan [Cambodia, Vietnam].
Lindsaea austrosinica is easily distinguished from other species of Chinese Lindsaea by the obviously stalked pinnae and catadromous pinnules in all or part of the lateral pinnae.