Description from Flora of China
Scrophularia canescens Bongard var. glabrata Franchet; S. cretacea Fischer ex Sprengel var. glabrata (Franchet) Stiefelhagen.
Herbs, suffrutescent, 20-70 cm tall, multibranched from a woody base as if tufted. Stems subterete, apically glabrous or glandular puberulent. Leaves short petiolate; leaf blade narrowly oblong to ovate-elliptic, 1-5 cm, base cuneate to attenuate, usually glabrous, margin shallowly toothed to lobed and basally rarely 1- or 2-parted, apex acute to obtuse. Panicles terminal, 10-35 cm, narrow, lax; cymes 1-7-flowered; peduncle glandular puberulent. Pedicel glandular puberulent. Calyx ca. 2 mm, glabrous or basally glandular puberulent; lobes rotund, margin narrowly membranous. Corolla rosy to dark purple-red, 5-6 mm; tube globose-cylindric, ca. 1/2 as long as corolla; lobes of lower lip ca. 1/2 as long as those of upper lip. Stamens as long as corolla; staminode oblong. Ovary ca. 1.5 mm. Style ca. 3 X as long as ovary. Capsule globose-ovoid, ca. 6 mm including beak. Fl. Jun-Aug, fr. Aug-Sep.
Gravelly floodplains, grassland in wet mountain valleys; 600-2600 m. Gansu, Nei Mongol, Ningxia, Qinghai [Kazakhstan, Kyrgyzstan, Mongolia, Russia (Siberia), Tajikistan, Uzbekistan].