twigs spinescent; leaves opposite and alternate, closely imbricated on the twigs, entire, short, silky-silvery; heads terminal, sessile, solitary; outer inv.-scales broadly ovate, flat, silky, with very long, straight, silky hairs from their axils, the inner invol. glabrescent, 3-lobed, septiferous within, the septa linear, alternating with the scales, free above; rays broadly oblong, 3-toothed. A rigid, robust, scrubby bush, with very silvery leaves, and long, silky and silvery involucral wool. Leaves 2–3 lines long, mostly opposite, as I find them.