stems erect, 2–4 ft. high, stout, striate, pubescent, leafless at flowering time; leaves 2–3 in. long, 1/2–1 in. broad, oblong, obtuse, scabridly pubescent on both sides, base rounded or subcordate; inflorescence a leafless panicle 12–18 in. long, of numerous simple or branched pubescent racemes 1–2 1/2 in. long, floriferous nearly to the base; verticils about 2-flowered; bracts 1 1/2–2 lin. long, about 1 lin. broad, elliptic-oblong, obtuse, pubescent; pedicels as long as the bracts or slightly longer; fruiting calyx 3 1/2–4 lin. long, campanulate, scabrid-pubescent and glandular; flowering calyx 2 1/2 lin. long; upper tooth 1 1/4–1 1/2 lin. long and broad, suborbicular, apiculate, ciliate; 4 other teeth subequal, 1 1/2–1 3/4 lin. long, 1/2 lin. broad at the base, tapering to an acute apex, ciliate; corolla nearly 3/4 in. long, bright golden yellow, pubescent; tube 4 1/2 lin. long, abruptly deflexed at 1/3 its length from the base, enlarged towards the mouth; upper lip 2 1/2 lin. long, erect, 4-lobed, terminal lobes about 3/4 lin. long, 1 1/4 lin. broad, suborbicular, lateral lobes erect, 2 lin. long, oblong, obtuse; lower lip 4 1/2 lin. long, 2 lin. deep, subacute, boat-shaped; upper pair of stamens 2 lin. long; lower pair 3–3 1/2 lin. long; style filiform, glabrous, as long as the stamens; stigma minutely 2-fid. null
