Japan Flora: Plant 3-12 cm. high, with multicellular spreading glandular hairs; stems simple, erect; radical and lower few cauline leaves elliptic to broadly ovate, 1-2 cm. long, 7-12 mm. wide, rounded at base, obtusely toothed, the petioles about as long or shorter than the blades; upper leaves sessile, ovate-orbicular, almost duplicate-toothed, the upper bracteal leaves lanceolate, 2-5 mm. long, entire; flowers 2-10, 4-5 mm. across, white, short-pedicellate; calyx 2-3 mm. long; corolla-tube about 2.5 mm. long, about as long as the lobes; capsules about 2.5 mm. across. Apr.

Kyushu (Yakushima); rare. Ryukyus, Taiwan, and China.