Wahlenbergia densifolia

Rhizomatous perennial; stems simple (rarely 1–2-branched), erect, to 20 cm high, minutely pubescent near base, otherwise glabrous, leafless in upper half; leaves very crowded toward base, oblong to narrowly obovate, 2–12 mm long, 0.5–2 mm wide, glabrous, thickish; margins minutely granular, often with 1–3 small callus-teeth. Hypanthium obconical, 1.5–3.5 mm long, glabrous; calyx-lobes erect, narrow-triangular, 2–4.5 mm long, glabrous; corolla campanulate, purplish-blue, tube 2.5–6.5 mm long, equal to or longer than calyx-lobes, lobes elliptic to obovate, 8–15 mm long, 3–7.5 mm wide, acute or obtuse; style 4–8 mm long, somewhat constricted about midway, lobes 2(or 3), oblong. Capsule obconical, 3.5–8 mm long, 2.5–4 mm wide. Flowers Jan.–Feb.