whole plant green, thinly pilose on the upper part, 1–5 ft. high; stem erect, usually simple; radical leaves oblanceolate, subobtuse at the apex, gradually narrowed downwards into the base or winged petiole, 3–12 in. long, 1–2 in. broad; stem-leaves oblong, acute at the apex, cordate and more or less amplexicaul at the base, not or scarcely decurrent, 4–6 in. long, 3/4–1 1/4 in. broad, thinly hairy beneath, membranous, more or less dentate, the upper smaller; raceme elongated, 1/2–2 ft. long, many-flowered; pedicels 1–3 together, shorter than the calyx; calyx-segments ovate-lanceolate, persistent, glandular-hairy, 1/6– 1/4 in. long; corolla-limb 2/3 in. long; anthers of the two lower stamens somewhat decurrent into the violet-woolly filaments; style slender, 3/8 in. long, thinly glandular-pubescent below; capsule globose, 1/4– 1/3 in. in diam., marked with four longitudinal furrows, thinly pilose, tardily dehiscent. null
