Plants living for 1–few seasons, but apparently flowering only once (monocarpic); stems (10–)25–55 cm high, simple or few-branched from near the base; stem-base short. Basal leaves linear-oblanceolate to oblanceolate, obtuse to subacute; stem leaves linear to narrowly oblanceolate. Terminal inflorescence usually rather densely subcorymbose, rarely lax, (3–)7–12(–15)-flowered; pedicels (1–)2–5(–6) cm long, 0.8–1 mm diam. when fresh; calyx-lobes linear-subulate, acute, margins (and sometimes surfaces) minutely papillose-scabrous; corolla white with grey-violet veins; anthers 2(–3) mm long; ovary 10–12 mm long. Capsule 15–25 mm long.
