Aurinia saxatilis

(Linnaeus) Desvaux

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

Common names: Basket-of-gold gold-dust rock-madwort
IntroducedIllustrated
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

Distribution

V7 327-distribution-map.gif

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

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.

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Aurinia saxatilis"
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
obtuse +  and acute +
Ihsan A. Al-Shehbaz +
(Linnaeus) Desvaux +
cuneate +  and attenuate +
Alyssum saxatile +
appendaged +  and unappendaged +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
not auriculate +
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
pinnatifid +, dentate +, sinuate +  and repand +
oblanceolate;linear +
much smaller +  and reduced +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
urceolate +, campanulate +  and tubular +
branched +  and simple +
well-developed +
distinct +
differentiated +
Basket-of-gold +, gold-dust +  and rock-madwort +
emarginate +  and entire +
oblique +  and incumbent +
Que. +, Calif. +, Mass. +, Mich. +, Miss. +, N.H. +, Ohio +, Vt. +, c +, se Europe +  and Asia (Turkey) +
straight +  and curved +
unappendaged +, winged +  and appendaged +
connate +  and distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
actinomorphic +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
divaricate-ascending +
flattened +, broadly obovate +  and orbicular +
latiseptate +  and unsegmented +
Ledges, cliffs, rocky slopes +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
sinuate-dentate;repand;sinuate-dentate;repand;entire +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
rudimentary +
attenuate +  and clawlike +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering May–Jul. +
trinucleate +  and 3(-11)-colpate +
J. Bot. Agric. +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
slender +
0.45 cm4.5 mm <br />0.0045 m <br /> (1 cm10 mm <br />0.01 m <br />) +
mucilaginous +
biseriate +  and uniseriate +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
suborbicular +  and flattened +
persistent +  and caducous +
distinct +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
perforate +  and complete +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
Introduced +  and Illustrated +
tetradynamous +
procumbent +  and decumbent +
ascending +  and erect +
subentire +  and 2-lobed +
subsessile +, sessile +  and petiolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
persistent +
distinct +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Alyssum arduini +
Aurinia saxatilis +
species +
minutely stalked +  and sessile +
anastomosing +
rhizomatous +, taprooted +, scapose +  and not +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +
stellate-pubescent +
0.3mm;1.1mm +