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.
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