Herbs, erect, cespitose, 5-20 cm, basally much branched, glabrous. Roots slender. Leaves sessile, elliptic to oblong, somewhat rhomboid, 1-2.5 X 0.6-1.2 cm, glabrous, margin entire or weakly obtusely toothed, apex obtuse to rounded; veins 3-5, parallel from base. Flower axillary, solitary. Pedicel slender, 1.2-2 cm, longer than subtending leaf, glabrous. Calyx lobed almost to base; lobes linear-lanceolate, ca. 4 mm, outside sparsely pubescent, apex obtuse. Corolla pink to purple, 5-7 mm; tube ca. 3.5 mm; lower lip ca. 3 mm, 3-lobed, middle lobe rounded and larger than other lobes, lateral lobes elliptic; upper lip ca. 1 mm, 2-lobed. Stamens 4, all fertile; filaments of anterior stamens with a small glanduliform appendage. Stigma 2-lobed. Capsule globose to ovoid-globose, as long as or slightly longer than persistent calyx. Seeds oblong; seed coat reticulate. Fl. Jul-Oct, fr. Sep-Nov.
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