Stachys arvensis (L.) L.

Hairy, non-aromatic annual with stem to c. 50 cm tall, often much less. Petioles often > lamina in basal lvs, very short in upper lvs. Lamina of basal and upper lvs 1–4 × 0.7–2.5 cm, oblong, ovate or suborbicular, evenly crenate; base truncate to cordate; apex rounded. Bracts sessile, otherwise similar to uppermost foliage lvs. Calyx c. 5 mm long, hairy; teeth ± = tube, linear-lanceolate, acuminate. Corolla 6–7 mm long, pink, somewhat hairy outside; tube = or slightly < calyx; upper lip small, not hooded, < lower lip. Nutlets 1.5–2 mm long, broad-obovoid, bluntly angled, often with blackish, irregular tubercles.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

Flowering: Jan.–Dec.