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Cymes in terminal spicate or racemose inflorescences 5.5–8 cm long, the inflorescence axis and peduncles densely pilose-pubescent with spreading hairs intermixed with gland-tipped hairs; flowers 1–7(9), usually sessile; peduncles of the cymes up to 1.8 cm long, longest in the lowermost cymes; bractssubtending the lowermost pedunculate cymes sometimes foliaceous, up to 4.5 × 2.2 cm, ovate, abruptly cuspidate; upper bracts smaller, c. 9 mm long, elongate-triangular; bracts and calyx with short gland-tipped hairs and sparse pilose spreading hairs.
Leaves opposite, shortly petiolate; lamina 3–14 × 1–6 cm, oblanceolate to obovate, acuminate to tapering-acute at the apex, long attenuate at the base nearly to the insertion, with 1–6 coarse teeth usually in the upper one third, or entire, membranous or somewhat stiffly textured, hardly discolorous on drying, ± densely pubescent above and on the venation beneath; petiole 1–2 mm long.
Suffrutex up to 80 cm tall from a woody rootstock; stems several, herbaceous becoming thinly woody, erect, simple to somewhat branched, ± leafy, ± densely pilose-pubescent with spreading soft whitish to reddish hairs, often intermixed with gland-tipped hairs toward the apex, glabrescent below.
Calyx 9–10 mm long (including lobes); tube cylindric; lobes 3–4 mm long, narrowly triangular, subcuspidate, sometimes spreading after anthesis.
Corolla white; tube narrow, c. 10 cm long, with sparse gland-tipped hairs outside; lobes c. 12 × 7 mm.
Style and filaments exserted for 3.5 cm or more.
Mature fruit not seen.
