An annual herb, glabrous or nearly so, decumbent or ascending, simple or branched chiefly at the base, short or scarcely 0.3 m [as '1 ft.'] long, 1.5-3 in. high; stem and branches angular, striate, rather slender; lower leaves rosulate or approximated, runcinate-pinnatifid or oval-oblong and dentate, obtuse at the apex, narrowed or attenuate at the base, 0.25-1.5 in. long, 0.125-0.5 in. broad, teeth or lobes broadly ovate and pointed or acute; petiole about 0.125-0.75 in. long; upper leaves alternate; peduncles axillary, slender, somewhat angular, 1-flowered, 0.75-2 in. long; calyx-segments broadly lanceolate, acute, minutely ciliolate, 0.083-0.167 in. long; corolla 0.2 in. long, 0.25-0.33 in. broad, purple, with two yellow pouches forming short broad obtuse appendages; lobes rounded, reddish, each with a white spot, outside marked with very small raised black points; stamens glabrous, all perfect; filaments linear-subulate, connivent, connate at the base, the upper at the base bent round the lower; style about equalling the stamens; stigma small; capsule narrowly ovoid-conical, acuminate, mucronate at the apex with the remains of the style, 0.33-0.4 in. long, 0.125-0.166 in. broad.
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