an annual herb, erect, simple or somewhat divided at the base, slightly puberulous, not or scarcely glossy, 3–15 in. high; stems or branches scape-like, erect or ascending, leafy at and near the base, above naked or sparingly leafy; lower leaves crowded, elliptical, obovate or oblanceolate, obtuse, wedge-shaped at the base, petiolate, nearly glabrous, more or less strongly toothed or subentire, 1/2–1 1/2 in. long, 1/5– 2/3 in. broad; petioles 1/6– 1/2 in. long; upper leaves few, narrow, toothed or entire, alternate or subopposite, smaller, subsessile; flowers mostly 1/3– 3/8 in. long, numerous, racemose, white; racemes simple, subcapitate in flower, rather oblong and lax below in fruit, 1/2–3 in. long; pedicels very short or the lower 1/8– 1/6 in. long, bracteate at or near the base; bracts sublinear or subulate like the calyx-segments or uppermost leaves, 1/6– 1/3 in. long or sometimes longer; calyx mostly 1/6– 1/5 in. long, deeply 5-lobed, ebracteolate; segments linear or lanceolate-subulate, mostly 1/8– 1/6 in. long, puberulous, ciliolate, often spreading above; corolla-tube rather slender, somewhat flexuous or bent, papillose-pubescent or pulverulent outside, about twice as long as the calyx; lobes obovate or rotund, retuse or subentire at the apex, somewhat unequal, 1/16– 1/10 in. long; throat papillose-pubescent, yellow; stamens included; capsules oval, subglabrous, 1/6 in. long. null