Plantago arenaria

Erect annual herb to c. 30 cm high, glandular-pilose; stems branched, leafy. Leaves opposite, linear, mostly 2.5–6 cm long and 1–4 mm wide, acute, 1- or 3-veined, margins entire or shortly lobed or toothed, sessile. Spike globose to ovoid, 1–2 cm long, dense; peduncles to 8 cm long; bracts at base of spike leaf-like; upper bracts ovate, 3–5 mm long. Sepals linear to ovate, 3–5 mm long, unequal, ciliate; corolla-tube 3–3.5 mm long, lobes 1.5–2 mm long, c. spreading; anthers c. 1.5 mm long. Capsule ovoid, c. 3.5 mm long; seeds 2, c. 2 mm long. Flowers mainly spring and summer.