Neuracanthus

Shrublets, sometimes with prostrate branches, usually with woody rootstock. Leaves entire to faintly toothed. Inflorescence axillary, spicate, dense, unilateral; bracts sometimes spinescent; bracteoles 0. Calyx irregular, 2-lipped, pilose; upper lip 3-fid; lower lip 2-fid; tube shorter than lobes. Corolla subregular; lobes 5, triangular; aestivation induplicate; tube longer than lobes, +/- funnel-shaped, with reflexed hairs inside and outside. Androecium: fertile stamens 4, didynamous; filaments arising in pairs in upper part of corolla tube, scarcely longer than anthers, included, bifurcate; upper pair of anthers 2-thecous; lower pair monothecous or with rudimentary second theca; thecae parallel, ciliate, muticous; staminodes 0. Pollen spheroidal, 3-colporate; surface foveolate. Disc annular. Gynoecium: ovary oblong in outline, with 2, or occasionally 1, ovules in each locule; style terete, included; stigma with a single flattened lobe, longer than broad. Capsule ovoid, compressed, with beak, estipitate, with inelastic placental bases. Seeds discoid, with hygroscopic hairs over whole surface.