Straggling to erect herb or soft shrub 0.5-1.5 m tall, much branched; stems hispid. Leaves petiolate; blade broadly ovate, 15-40 x 12-30 mm, upper surface thinly pilose, under-surface hispidulous and reticulate veined, apex obtuse to rounded, base obtuse to truncate, margin shallowly crenate-serrate; petiole 5-15 mm long. Racemes lax, 150-300 mm long, of many spaced verticils; verticils (2-)3-8(-12)-flowered; bracts ovate, acuminate, 4-5 mm long. Calyx hispidulous, 3.5 mm long at flowering, enlarging to 6-7 mm long. Corolla white, 5 mm long.