apparently laxly branched; branchlets minutely tomentose; leaves 4-nate, adpressed or imbricate, 3/4–1 1/2 lin. long with the petiole, straight, linear-oblong, obtuse, flat with a median ridge above, very convex on the back (not compressed as originally described), shortly pubescent on both surfaces, ciliate with long simple hairs, and perhaps sometimes with similar long hairs on the back; heads several-flowered; pedicels 1/3– 1/2 lin. long, bracteate at the apex; bracts adpressed to the calyx, the middle one about 3/4 lin. long, not much longer than the lateral pair, all linear, pilose and ciliate with long simple hairs, clammy; calyx 3/4 lin. long, divided to the base; segments about 1/3 lin. broad, lanceolate, obtuse, pilose and ciliate with long simple hairs, clammy; corolla 1 3/4 lin. long, tubular, 4-angled, glabrous; lobes 1/5 lin. long, rounded, erect; stamens 4, much exserted; filaments nearly 2 lin. long, glabrous; anthers 3/4 lin. long, linear, spurless; ovary ovoid, subacute, 2-celled, glabrous; style imperfect, glabrous. null