Corolla about 5.5–6.5 mm. long, upper lip emarginate, lower lip trilobed, lobes rounded to somewhat emarginate, yellowish-or greenish-white.
Leaves 15–50 x 6–20 mm., oblong to lanceolate, acute or obtuse, narrowed at base or broader, semi-amplexicaul, coarsely serrate.
Erect, much-branched herb, 15–35 cm. tall, strongly viscid, foetid, glandular-pubescent throughout to varying degrees.
Calyx 4.5–6.5 mm. long, lobes 3.5–5.5 x 0.5–1.2 mm., narrowly linear-lanceolate, acuminate.
Capsule about 5.5 mm. long, narrowly oblong in outline, 4-furrowed.
Ovary 1.5 mm. long, 0.75 mm. in diam., narrowly conical.
Style 1.5 mm. long, somewhat arcuate at apex.
Filaments 2.0–2.8 mm. long, slender.