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basket-of-gold, gold-dust, rock goldentuft, rock-madwort

Habit 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.

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.

Fruiting pedicels

(3–)4.5–10(–13) 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.

Aurinia saxatilis

Phenology Flowering May–Jul.
Habitat Ledges, cliffs, rocky slopes
Distribution
from FNA
CA; MA; MI; MS; NH; OH; VT; QC; c Europe; se Europe; Asia (Turkey) [Introduced in North America]
[BONAP county map]
Discussion

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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 7, p. 252.
Parent taxa Brassicaceae > tribe Alysseae > Aurinia
Sibling taxa
A. petraea
Synonyms Alyssum saxatile, Alyssum arduini
Name authority (Linnaeus) Desvaux: J. Bot. Agric. 3: 162. (1815)
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