A diffuse herb, possibly perennial, stems loosely branched above, flexuous, glabrous. Leaves on the main branches c. 13-35 x 10-15 mm, smaller on the inflorescence branches, ovate, apex acute, base subcordate, margins with a few sharp or obscure teeth, glabrous; petiole 1-2 mm long. Flowers many in somewhat crowded to lax racemes, sometimes compounded into very lax panicles; lowermost bracts c. 3 x 2 mm, otherwise resembling the leaves; pedicels c. 7-14 mm long, filiform, they and the rhachis glandular-puberulous. Calyx lobes lanceolate, acute, two anticous ones c. 2 x 1 mm, three posticous ones slightly smaller, glandular-puberulous. Corolla tube c. 2 x 3 mm, not invaginated, broadly campanulate without lateral spurs or pouches; limb c. 8-9 x 7-9 mm, anticous lobe 3-4 x 3-4 mm, two lateral lobes 2-3 x 2.5-3.5 mm, two posticous lobes c. 2-3 x 2.75-3 mm, all subrotund, probably all rose-pink, glandular-pubescent outside, glabrous inside, “window” very shallowly concave with two further yellow lateral concavities. Stamens unalike, filaments of the posticous pair 2 mm long, directed straight forward, anthers 0.5 mm long; filaments of the anticous pair 1.5 mm long, twisted erect into the posticous position, anthers 0.75 mm long, cohering strongly. Ovary 0.75 x 0.75 mm, ovules 2 in each loculus; style 2 mm long, stigma capitate. Capsule c. 1.75 x 1.75 mm; seeds c. 2 mm long, curved, ridged.
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Herb, possibly perennial, stems many, up to 1 m long when scrambling, flexuous, laxly branched above. Leaves ovate, acute; petioles 1-2 mm long. Flowers many in racemes up to 180 mm long; pedicels 7-14 mm long. Corolla campanulate, lobes probably all rose-pink; window slightly hollow with 2 somewhat deeper hollows at sides, yellow. Spurs or sacs absent.