Mazus pumilio

Low perennial herb forming rosettes connected by rhizomes, glabrous or with scattered to somewhat dense eglandular hairs (at least on leaves and rachis). Leaves obovate to spathulate, lamina 0.8–5.5 cm long, 2.5–18 mm wide, margins toothed, sinuate or almost entire, often undulate, surfaces discolorous; petiole 3–30 mm long. Flowers usually 1–4 on erect scapiform rachis 1–14 cm long; bracts absent or caducous; bracteoles to 4 mm long; pedicels 0.5–4 cm long. Calyx 2.5–5.5 mm long, teeth 1–2.5 mm long; corolla 7.5–12 mm long, pale blue to purple, tube usually 5–8 mm long, pale to white, palate flecked or entirely yellow or possibly white. Capsule possibly indehiscent, ellipsoid, 5–7 mm long, enclosed or slightly exserted from persistent calyx. Flowers Sep.–Apr.