Herbs, to 3.5 m. Leaves ovate or rhomboid, acute, serrate to doubly serrate, the bases truncate or obtuse, to 6 cm long and 3.5 cm wide, + hirsute on the upper surfaces, ? pubescent below, particularly along the veins, subsessile to petioles ca 2-3 cm long. Inflorescences verticils, 3-10-flowered, the peduncles ca 0.5-1 cm long at maturity, arranged as a panicle 5-15 cm long, the bracts leaf-like. Flowers sessile; bracteoles ovate or ovate-lanceolate, ca 4-6 mm long, pubes-cent and ciliate along the margins; calyx tube ca 1.5-2 mm long, elongating to ca 5-6(-7) mm long at maturity, membranaceous, pubescent, 10-ribbed, the teeth spinulose, ca 1 mm long; corolla tube ca 4-5 mm long, purple to lavender, the lips less than 1 mm long, pubescent; stamens exserted, the filaments pubescent, the an-thers ca 0.2 mm long; style ca 4.5-5.5 mm long. Nutlets (2-)3-4, ovoid, ca 2 mm long, dark brown.
Wet to dry thickets or fields or open forest, frequently in pine-oak forest, sometimes on rocky slopes, occasionally a weed in coffee plantations or other cultivated ground, at elevations of 2,300 metres or lower, mostly at 1,200 metres.
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