Monogr. Euphrasia, 141. 1896.
Stems simple, rarely branched, to 16 cm; branches 1 or 2 pairs, from basal cauline nodes; cauline internode lengths (1–) 2–6 times subtending leaves. Leaves: blade ovate to orbiculate, 2–6 mm, margins incised-crenate, teeth 1–4 (or 5) pairs, apices obtuse to subacute. Inflorescences beginning at node 2–5, proximal internode lengths 0.5–1.5 (–2.5) times bracts; bracts green, sometimes purplish adaxially, broader than leaves, ovate to obovate, length not more than 2 times width, 4–6 (–8) mm, surfaces densely hirsute and hairs eglandular, teeth 4 or 5 (or 6) pairs, as long as wide, apices acute. Flowers: corolla yellow, adaxial lip sometimes lilac, 4–5.5 mm, abaxial lip slightly exceeding adaxial. Capsules oblong to elliptic, 4–5 (–6) mm, apex slightly retuse.
Phenology: Flowering summer.
Habitat: e Asia (Japan, Russian Far East [Commander, Kamchatka, and Kuril islands])..
Elevation: 0–500 m.
Alaska, e Asia (Japan), e Asia (Russian Far East [Commander), e Asia (Kamchatka), e Asia (and Kuril islands])
"broader" is not a number."wide" is not a number.