2n = 36

Plants not bushy, height in flower c. 50 mm. Flowering stems 1–5 per plant, 19–41 mm long; largest flowering stem 1.1–1.4 mm diam. at base, 0.60–1.4 mm diam. when dry, purple-black, leaves 5–7 pairs per stem, lowest pedicels from near base of flowering stem. Rosette leaves narrowly elliptic, 42–75 mm long, 4.4–7.8(–8.8) mm wide, green, slightly V-shaped, slightly recurved, apex acute to rounded; margins minutely denticulate; petiole distinct, 15–18(–50) mm long, 0.8–2.1 mm wide at leaf base. Flowering stem leaves recurved. Pedicels 1 per leaf axil, 27 mm long, 0.9 mm diam., 0.5–0.6 mm diam. when dry. Flowers 28–65 per plant, 1–18 per flowering stem, 16–18 mm long. Calyx 6.8– 9.8 mm long, green tinted purple-black; lobes 4.5– 7.2 mm long, 1.3–1.8 mm wide at base, strongly recurved, apices acute, margins minutely denticulate, sinus hairs 1–3 per sinus. Corolla (11.7–)14.6–19.0 mm long, veins colourless; tube (3.6–)4.2–4.7 mm long; lobes (7.8–)9.2–14.3 mm long, (3.6–)4.8–6.9 mm wide, usually toothed, hairs below sinus present, straight; nectary 0.8–2.2 mm from corolla base, Vshaped to pocket-like with a distinct smooth-margined flap. Filaments (6.5–)7.3–9.4 mm long from corolla base, 0.40–0.65 mm wide. Anthers 1.5–2.2 mm long. Ovules 14–24 per ovary. Capsule 13.0–16.5 mm long. Seeds 1.1–1.4 × 0.9–1.0 mm. FL Apr–May.

Ab subspeciebus ceteris caule florifero sparse ramoso, caudice et longo et ramoso, foliis tantum subcarinatis, 42–75 mm longis, 4.4–7.8(– 8.8) mm latis, apice foliari recurvo, villis in sinibus calycinis, corolla 14.6–19.0 mm longa, alba marginibus dentatis, nectario marsupiformi margine libera integra distinguenda.