an erect much-branched shrub, 4 ft. high; branches nearly erect, scabrous, sometimes sparingly pilose especially at the nodes; leaves coriaceous, obovate-cuneate, sometimes obovate-lanceolate, 1/4–1 1/4 in. long, apiculate or cuspidate, entire or toothed, prominently net-veined, usually green, very shortly adpressed-pubescent or nearly glabrous, slightly scabrous, densely gland-dotted; petiole 1–2 lin. long; whorls 2-flowered, distinct, in long much-branched terminal panicles; calyx campanulate, 4 lin. long, setulose, prominently 4-keeled, 5-nerved; upper lip minutely 2- or 3-toothed; lower lip 2-lobed; lobes deltoid, 1 1/4–1 1/2 lin. long, shortly acuminate; corolla blue, 9–12 lin. long; tube 4 lin. long, 1 lin. broad at the base, 2 1/2 lin. broad at the apex, annular-pilose inside; upper lip 5 1/2–7 lin. long, shortly 2-lobed; lower lip 5–6 lin. long, crumpled; median lobe transversely oblong or rounded, 3–4 1/2 lin. broad, concave, emarginate; lateral lobes smaller, rounded. null
