Plants 2–46 cm, herbaceous; rhizomes thin, short; rosettes not clumped; vegetative parts usually heavily whitish or yellowish farinose, sometimes efarinose, especially in age. Leaves not aromatic, indistinctly petiolate; petiole broadly winged; blade without deep reticulate veins abaxially, elliptic to oblanceolate, 1–6 × 0.3–1.6 cm, thin, margins remotely denticulate, apex acute to obtuse, surfaces glabrous. Inflorescences 4–19-flowered; involucral bracts saccate, ± equal. Pedicels erect, thin, 3–9 mm, length ± 1 times bracts, stiff. Flowers homostylous; calyx green, broadly cylindric, 4–10 mm; corolla lavender, tube 4–10 mm, length 1 times calyx, eglandular, limb 4–8 mm diam., lobes 2–4 mm, apex emarginate. Capsules cylindric to ellipsoid, length 1.5–2 times calyx. Seeds without flanged edges, reticulate. 2n = 54, 72.