an erect herb, dusky when dried, annual, simple below, divided above, about 15 in. high, apparently parasitical; stem tetragonal, hispid-scabrid, leafy; branches ascending; leaves opposite, subopposite or alternate, ovate, narrowed to a scarcely acute tip, obtusely wedge-shaped at the sessile 5-nerved base, toothed chiefly about and below the middle, hispid-scabrous above, less so beneath, erect-patent or spreading, 1/2–1 1/4 in. long by 1/3– 1/2 in. broad or the lower smaller; each tooth subglandular at the tip; flowers axillary to the upper leaves, forming terminal leafy spikes, subsessile, rather numerous, about 3/4– 4/5 in. long; spikes 2–2 1/2 in. long, dense above, interrupted below; bracteoles narrow, linear-subulate, ciliate, 3/8– 2/5 in. long; calyx about 3/8– 3/5 in. long, 5-cleft; tube hispid on the nerves; lobes acuminate from an ovate base, ciliate; corolla veined, orange-yellow; tube exceeding the calyx; longer filaments bearded; anther-cells mucronate at the lower end. null