Leaves opposite to subverticillate, 15–40 mm. long, undivided to trifid or pentafid of ten bearing smaller leaves in their axils, simple leaves or segments 1–1.5 mm. wide, margins somewhat thickened, pilose to shortly pubescent, slightly scabrid.
Erect, robust perennial or undershrub to 1 m. tall; stem to 6 mm. in diam. at base, branched or occasionally simple, pubescent to long-pilose or glabrescent, branches woody, ascending.
Inflorescence 5–20 cm. long, loosely spicate or racemose with clearly defined internodes, simple to much branched; flowers many, pink, mauve to purple, sessile or pedicellate.
Calyx 6–15 x 4–11 mm., densely lanate-tomentose within and without; lobes 3–13.5 mm. long, narrowly triangular.
Capsule 5–5.5 x 3.8–5 mm., glabrous, subglobose to broadly ovoid.
Bracteoles 6.5–11 mm. long, narrowly linear, acute, villous.
Fertile anther thecae 3.5–4.25 mm. long, cylindric.
Corolla limb 15–22 mm. in diam.
Pedicels 0–6.5 mm. long.