Eulalia quadrinervis (Hack.) 0. Ktze., Rev. Gen. Pl. 2: 775. 1891. Hsu, Fl. Taiwan 5: 651. 1978; Koyama, Grass. Jap. Neighb. Reg. 421. 1987.
Pollinia quadrinervis Hack., Andropog. 158 & in Bull. Herb. Boiss. 7: 640. 721. 1899.
Culm stout erect. Ligule about 1 mm long, chartaceous, hispid on the back. inflorescence of digitately arranged racemes. Spikelets paired monomorphic the upper pedicellate, the lower sessile, about 6 mm long. Lower glume subcoriaceous broadly lanceolate, as long as the spikelet, margins inrolled, upper part 2-keeled keels ciliate, nerves anastomosing; upper glume 3-nerved, of the same texture as the lower glume, margins fimbriate; lower lemma nearly of the same texture and length as the upper glume; upper lemma about 3 mm long, 2-cleft, fimbriate, aristate, awn flexuous and hispid; upper palea hyaline, about 2 mm long, margins inrolled, fimbriate.
ILAN: Ssuyuen, Sasaki s. n. Oct. 9, 1930. KAOHSIUNG: Takuanshan, Sasaki s. n. Oct. 19, 1933. TAITUNG: Raboran, Sasaki s n. Oct. 22, 1933.
Distributed in Himalaya, India, Burma, Thailand, China, Japan and extending to the Philippines.