Stem 30–60 cm, glabrous, glaucous perennial, viscid above, tinged purple and densely leafy at the base, many branched from the base. Leaves dimorphic, basal leaves ± fleshy, oblanceolate, 10–15 mm, glabrous, with minutely ciliolate margin, especially at the base, acuminate. Young leaves glaucous green, older ones dark purple. Cauline leaves 8–17 mm, gradually decrease towards flowering part, lower and middle cauline leaves narrowly oblanceolate to linear, narrowed into petiole, with green margin, acute to acuminate, glabrous, glaucous green; upper cauline leaves lanceolate to subulate. Inflorescence reduced to single flower or racemose, glabrous, viscid. Pedicels 5–30 mm, glabrous, viscid. Calyx 22–27 mm, glabrous, glaucous, partly green and purple, constricted around gynophore, sometimes nerves obscured. Petals longer than calyx, violet, divided to the base, spathulate lobes 5–11 mm, 2 coronal scales present. Stamen 22–25 mm, pistil 10–12 mm, filaments and styles glabrous. Capsule 12–15 × 6–9 mm, included in calyx. Gynophore glabrous, 8–11 mm. Seed 2.3–2.6 × 1.4–1.7 mm, reniform.