Shrubby or perennial herb with woody base, mealy canescent, 30-100 cm tall, prostrate to erect. Leaves (5-) 8-30 x 2-25 mm, triangular deltoid, cuneate, truncate-hastate at base, acuminate at apex, sinuate-dentate; lower leaves shortly petiolate, upper mostly sessile. Flowers in terminal and axillary inflorscences, the former of mixed staminate and pistillate flower clusters, spike-like or paniculate; the axillary of pistillate flowers only, solitary or in groups.