Japan Flora: Stems erect, 10-50 cm. long, loosely leafy, densely recurved- hairy; leaves deltoid-ovate to ovate, 1.5-5 cm. long, 1-4 cm. wide, obtuse, truncate to subcordate at base, coarsely obtusetoothed, spreading-pilose on both sides, the petioles to 2 cm. long, densely recurved- to spreading-hairy; spikes short, 0.5- 3(-5) cm. long, densely flowered, the axis with spreading and glandular hairs; corolla 15-25 mm. long; nutlets about 1.5 mm. across, densely mammillate. May-June.