Cow-wheat Fibrous-rooted annual. Stems erect, 7–30 cm, usually branched above. Herbage puberulent. Leaves opposite, short-petiolate; blades 2–5 cm long, linear-lanceolate, entire or few-toothed. Inflorescence terminal, leafy-bracted spike. Flowers: calyx 3–5 mm long, glandular-puberulent with 4 unequal, lanceolate lobes; corolla bilabiate, 5–10 mm long, white; lower lip 3-lobed, yellow near the base, as long as the galea; stamens 4; stigma capitate. Capsule ovate, flattened, beaked, 6–10 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).