a much branched herb, sparingly villous; stems sulcate when dry; leaves ovate, acuminate, rounded or shortly cuneate at the base, entire or sinuate-dentate, 1 1/4 in. long, 9 lin. wide; petiole slender, 4 lin. long; flowers solitary; pedicels slender, inserted by the side of the petiole; calyx-tube campanulate, 3/4 lin. long, enlarging in fruit to 6 lin. in diam. and becoming glabrous; lobes lanceolate, acute, 1 lin. long; corolla narrowly campanulate, yellow (white, Wood), not spotted, 3 lin. long, 2 1/2 lin. wide, shortly 5-lobed; filaments 1 1/2 lin. long, filiform; anthers oblong, 3/4 lin. long; ovary globose; style 1 1/2 lin. long, slightly thickened upwards; stigma subcapitate; berry globose, 3 lin. in diam., smooth. null