Aurinia saxatilis

(Linnaeus) Desvaux

J. Bot. Agric. 3: 162. 1815.

Common names: Basket-of-gold gold-dust rock-madwort
Basionym: Alyssum saxatile Linnaeus Sp. Pl. 2: 650. 1753
Synonyms: Alyssum arduini Fritsch
Treatment appears in FNA Volume 7. Treatment on page 252.

Plants often woody at base; finely stellate-pubescent. Stems: usually several, 1–5 dm. Basal leaves: 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. Cauline leaves: blade oblanceolate to linear. Racemes slightly elongated in fruit. Fruiting pedicels (3–)4.5–10(–13) mm. Flowers: 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. Fruits divaricate-ascending, broadly obovate to orbicular, flattened, strongly latiseptate, 3.5–9 mm in diam.; style 0.5–1.5(–2.5) mm. Seeds winged throughout, 2–3 mm diam.; wing 0.3–1.1 mm wide. 2n = 16.

Phenology: Flowering May–Jul.
Habitat: Ledges, cliffs, rocky slopes


V7 327-distribution-map.gif

Introduced; Que., Calif., Mass., Mich., Miss., N.H., Ohio, Vt., c, se Europe, Asia (Turkey).


Aurinia saxatilis 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. saxatilis is naturalized in the flora area.

Selected References


Lower Taxa

... more about "Aurinia saxatilis"
Ihsan A. Al-Shehbaz +
(Linnaeus) Desvaux +
Alyssum saxatile +
Basket-of-gold +, gold-dust +  and rock-madwort +
Que. +, Calif. +, Mass. +, Mich. +, Miss. +, N.H. +, Ohio +, Vt. +, c +, se Europe +  and Asia (Turkey). +
Ledges, cliffs, rocky slopes +
Flowering May–Jul. +
J. Bot. Agric. +
Introduced +  and Illustrated +
Alyssum arduini +
Aurinia saxatilis +
species +