Coarse, erect half-shrub, c. 1-1½ m, branching, sometimes reclining; stem glabrous, slightly to strongly angular and furrowed. Leaves spirally arranged, elliptic-lanceolate, 9-11 by 2.75-3.5 cm, slightly dentate, decurrent at the base, acute to acuminate at the top, glabrous to puberulous, darker green at the upper side, paler beneath, glossy on both surfaces; petiole 3-7 mm. Peduncle angular and furrowed, inflorescence a terminal raceme or pseudo-axillary by sympodial growth, erect, faintly puberulous. Bracts lanceolate, 6-7 by 1-2 mm, slightly dentate. Pedicels 5-10 mm, thin, whether or not with 1 or 2 tiny lanceolate bracteoles in the basal half. Flowers c. 2.5 cm. Calyx lobes lanceolate, 6½-7 by 1.5 mm, longitudinally nerved, subentire, obtuse to acute, faintly puberulous. Corolla 1.75-2.25 cm, blue purple or white with purple at the base of the margin of the segments or lavender tinged, inside with 2 gibbosities whether or not papillose; dorsally split to 0-2 mm from the base; dorsal lobes connate with the lateral ones for 2-4 mm, lateral ones connate with the ventral one for 7-11 mm; dorsal lobes oblong-lanceolate, 6-10 mm, longitudinally folded, recurved, the margins crisp to flat, obtuse to subacute, glabrous or slightly ciliate, lateral lobes oblong-lanceolate, 6-10 by 2 mm, recurved, ventral lobe oblong-lanceolate, 8-12 by 2-2.5 mm whether or not incurved. Filaments up to half their length free at the base, C. 5 mm, glabrous; anthers from dorsal to ventral 4-2 mm, at the apex a tuft of hairs. Ovary 5 by 5 mm, campanulate to hemispherical, faintly puberulous; style glabrous. Berry 3-5 mm (mature?), globose, green. Seeds 0.75-1 mm, globose to broad ellipsoid, slightly angular, reticulate.
In secondary jungle, on forest edges, along forest paths, and in open grassflelds, (500-)900-1800 m. Fl. fr. Jan.-Dec.
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