(Linnaeus) Desvaux, J. Bot. Agric. 3: 162. 1815.
Basket-of-gold, gold-dust, rock-madwort
Linnaeus, Sp. Pl. 2: 650. 1753;
often woody at base; finely stellate-pubescent.
usually several, 1-5 dm.
petiole 0.5-3(-4) cm, blade spatulate to obovate or lanceolate, (2.5-)4-8(-12) × 0.5-1.5(-2.5) cm, base cuneate to attenuate, margins entire, repand, or sinuate-dentate, apex acute or obtuse, surfaces densely pubescent.
blade oblanceolate to linear.
slightly elongated in fruit.
(3-)4.5-10 (-13) mm.
sepals yellowish, scarious at margins, finely pubescent, 1.5-2.3 × 0.5-1 mm; petals 3-6 × 1-2.5 mm, attenuate to clawlike base; filaments with basal wing or appendage to 0.5 mm, 1-2 mm; anthers 0.3-0.5 mm.
divaricate-ascending, broadly obovate to orbicular, flattened, strongly latiseptate, 3.5-9 mm in diam.; style 0.5-1.5(-2.5) mm.
winged throughout, 2-3 mm diam.; wing 0.3-1.1 mm wide.
Flowering May-Jul. Ledges, cliffs, rocky slopes; introduced; Que.; Calif., Mass., Mich., Miss., N.H., Ohio, Vt.; c, se Europe; Asia (Turkey).
is widely cultivated as an ornamental and likely naturalized in other states. It is highly variable in its native range (Turkey, southern and central Europe) and has been divided into three subspecies, of which subsp.
is naturalized in the flora area.