Herbs, perennial, erect. Stems slender, branched, single or several and caespitose, 5-15 cm tall but sometimes decumbent after anthesis, basally glabrous, apically sparsely hirsute. Basal leaves several; petiole to 1.5 cm; leaf blade long elliptic to linear-oblong, 2-5 × 0.3-0.6 cm, sparsely hirsute only along main vein on abaxial side and on margin, margin sparsely triangular serrate. Basal cauline leaves with a shorter petiole; leaf blade similar to but smaller than basal leaves. Apical cauline leaves sessile; leaf blade similar in shape to but smaller than more basal leaves, often less than 1 cm. Flowers axillary, solitary, each cauline leaf with a flower but sometimes branches short and multiflowered to almost becoming a raceme. Pedicel 2-8 mm, slender, sparsely hirsute. Calyx tube ca. 2 mm, densely hirsute; lobes linear-lanceolate, ca. 4 mm. Corolla purple outside with bright brownish shade and inside yellow with orange spots, ca. 8 mm. Stamens ca. 3 mm; anthers mucronate at apex. Capsule ovoid-globose, ca. 3 mm in diam., with 5 seeds. Seeds ovoid, ca. 4 × 2 mm. Fl. and fr. Nov-Mar.
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