Euphrasia regelii Wettst.

Annuals, 3-35 cm tall. Stems erect, simple or branched, white pubescent. Leaves sessile, ovate to orbicular, 5-15 X 3-13 mm, hispid with mixed eglandular and short capitate-glandular hairs, stalks of glandular hairs 1- or rarely 2-loculed, base broadly cuneate to subtruncate, margin 3-6-toothed on each side, apex obtuse. Spikes usually short in flower, to 15 cm in fruit; bracts leaflike, conspicuously larger than leaves. Calyx tubular, 4-5 mm, to 8 mm in fruit, with same kind of hairs as leaves and bracts; lobes lanceolate to subulate, 3-5 mm, apex acuminate. Corolla white, galea often purplish, upper side 5-10 mm, sparsely white pubescent and most densely so on outer surface; lower lip longer than galea, lobes conspicuously notched, middle lobe less than 3 mm wide. Capsule narrowly oblong, 4-9 X 2-3 mm, emarginate. Fl. May-Sep.

Gansu, Hebei, W Hubei, S Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang, SE Xizang, NW Yunnan [Kashmir, Kazakhstan, Kyrgyzstan, Mongolia, Russia (Far East), Tajikistan, Uzbekistan].

Subalpine and alpine meadows, forests; 1200-4000 m.

Euphrasia kingdon-wardii Pugsley.

Euphrasia regelii là loài thực vật có hoa thuộc họ Cỏ chổi. Loài này được Wettst. mô tả khoa học đầu tiên năm 1896.