Convolvulaceae

Sepals subequal, the outermost shorter, elliptic-ovate to orbicular, margins membranous, apices mucronulate, in fruit the. calyx becomes chartaceous, the mucros more noticeable, and the lower inside surfaces of the sepals pocked with glands, the backs of the outer sepals and the upper exposed portions of the inner sepals may be sparsely appressed stellate pubescent, the margins glabrous and scarious, the outer sepals 20-30 mm long and 12-15 mm wide, the inner 23-33 mm long; corolla campanulate, bright yellow with a dark purple throat; the limb shows five distinct bands, each five-nerved; corolla entirely glabrous, 55-60 mm long and 55-65 mm wide; stamens five, unequal, not protruding from the throat, filaments basally adnate to the corolla tube, bearded where attached, glabrous above, dark purple-black, 10-15 mm long, anthers spirally dehiscent at maturity, yellow, 7-12 mm long, pollen three colpate, smooth; ovary conical, 2-3 mm tall, glabrous, two celled, each with two ovules, disc annular, glabrous, smooth, style filiform, simple, glabrous; dark purple, 13 mm long, stigma biglobose, lobed and papillose.

Flower(s) 1 or 2 per leaf axil. Sepals persistent, oblong-ovate to oblong, 3–4 × 2–3 mm, outer 2 sepals slightly longer than inner sepals, pilose abaxially, margin ciliate. Corolla broadly campanulate or nearly rotate, ca. 6 mm; limb ca. 7–8 mm in diam., 5-lobed. Stamens inserted at middle of corolla tube; filaments ca. 1.5 mm, glabrous basally; anthers oblong. Ovary globose; style lobes linear, ca. 3 mm; stigmas minutely capitate.