Description from
Flora of China
Juncus pauciflorus R. Brown.
Stems distinctly striate. Capsule usually ovoid, apex obtuse.
Wet land under forests, near ravines, open hillsides, streamsides, trail sides, roadsides; 300--1800 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Sichuan, Xizang, Yunnan, Zhejiang [Japan, Korea].