Herbs, perennial. Taproot long, ± fleshy. Leaves basal; petiole 1-4 cm; leaf blade narrowly elliptic to elliptic-ovate, 2.5-10 × 1-4 cm, thickly papery, densely white pubescent, veins 5 or 7, base attenuate, margin entire or repand-crenate, apex acute. Spikes cylindric, 3-9 × 0.5-1 cm, densely white pubescent, densely flowered or interrupted basally; peduncle 6-15 cm; bracts ovate-elliptic, 2-2.5(-4) mm, usually pubescent, keel broad and not extending to apex. Sepals 2.5-3 mm, keel broad, thick, and not extending to apex; lower sepals elliptic to obovate-elliptic; upper sepals broadly elliptic to orbicular. Corolla white, glabrous; lobes ovate-elliptic to ovate, 1-1.5 mm, patent to reflexed, apex acute. Stamens adnate to near apex of corolla tube, exserted; anthers reddish brown, ellipsoid, 1-1.2 mm. Pyxis ovoid-ellipsoid to conic-ovoid, 2.5-3 mm, circumscissile near base, with 4 seeds. Seeds dark brown, ellipsoid to ovoid, 1.5-2.2 mm, ventral face flat; cotyledons parallel to ventral side. Fl. May-Jul, fr. Jun-Aug. 2n = 12.
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A herb. It keeps growing from year to year. It has a long taproot. The leaves are at the base. They are narrowly oval and 3-10 cm long by 1-4 cm wide. The flower spikes are cylinder shaped. They are 3-9 cm tall by 1 cm wide.
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