Stems branched from lower part, ca. 48 cm tall, ca. 4 mm in diam., bristly; branches to 10 cm. Lower and middle stem leaves petiolate; leaf blade spatulate-oblong to narrowly oblong, ca. 6.5 × 1.5-1.9 cm, base attenuate to cuneate, apex subacute; upper leaves sessile, long elliptic to narrowly ovate, 4-5.8 cm, densely strigose, sparsely bristly. Inflorescences terminal, 5-14 mm wide; subtending leaves usually 2, sessile, orbicular-ovate to broadly ovate, 1.5-3.5 cm; bracts orbicular-ovate to ovate, 4-7 × 3-6 mm. Flowers short pedicellate, crowded. Calyx ca. 2.8 mm, parted to base; lobes linear-lanceolate, short strigose, margin densely long hispid, with intermixed bristles. Corolla blue; tube ca. 2.2 mm, glabrous; appendages trapeziform, ca. 0.3 mm, apex minutely hispid; limb ca. 4.5 mm wide; lobes orbicular-ovate, glabrous. Nutlets ovoid, ± dorsiventrally compressed, ca. 2.6 × 2 mm, sparsely tuberculate; aperture narrowly oblong, ca. 2.2 mm; attachment scar at center of adaxial surface. Fl. Jun-Jul.
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