An annual climber growing to 1m. Stems yellow or often with purplish spots, slightly stout, 1-2 mm in diam., many branched. Inflorescences spicate, ca. 3 cm; bracts and bracteoles scalelike, broadly ovate, ca. 2 mm. Flowers subsessile. Calyx cupular, ca. 2 mm, deeply divided; sepals ovate to circular, equal or unequal, purplish tuberculate abaxially, apex acute. Corolla pink or greenish white, campanulate to tubular, 3-7 mm, shallowly 5-lobed; lobes erect or reflexed, ovate-triangular, much shorter than tube, apex obtuse. Stamens inserted at throat; anthers yellow, ovate-circular; filaments very short or absent; scales oblong, fimbriate, reaching middle of tube. Ovary globose, smooth. Style 1, longer than or as long as ovary; stigma elongated. Capsule ovoid, ca. 5 mm, circumscissile near base. Seeds 1-3, brown, 2-2.5 mm, smooth. |