golden-beard penstemon(n = noun.plant) penstemon barbatus - plant of southwestern United States having long open clusters of scarlet flowers with yellow hairs on lower lip;
is a kind of wild flower, wildflower
is a member of genus penstemon, penstemon

cascade penstemon, cliff penstemon, davidson's penstemon, genus penstemon, hot-rock penstemon, jones' penstemon, lowbush penstemon, narrow-leaf penstemon, parry's penstemon, penstemon, penstemon barbatus, penstemon centranthifolius, penstemon cyananthus, penstemon davidsonii, penstemon deustus, penstemon dolius, penstemon fruticosus, penstemon linarioides, penstemon newberryi, penstemon palmeri, penstemon parryi, penstemon rupicola, penstemon rydbergii, penstemon serrulatus, penstemon whippleanus, platte river penstemon, red shrubby penstemon, redwood penstemon, rock penstemon, rydberg's penstemon, scented penstemon, shrubby penstemon, whipple's penstemon