Difference between revisions of "Alyssum szowitsianum"

Fischer & C. A. Meyer

Index Seminum (St. Petersburg) 4: 31. 1837.

Treatment appears in FNA Volume 7. Treatment on page 250. Mentioned on page 248.
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|elevation=1500-2000 m
 
|elevation=1500-2000 m
 
|distribution=Utah;sw Asia.
 
|distribution=Utah;sw Asia.
 +
|introduced=true
 
|discussion=<p><i>Alyssum szowitsianum</i> is known in the flora area only from Salt Lake County.</p>
 
|discussion=<p><i>Alyssum szowitsianum</i> is known in the flora area only from Salt Lake County.</p>
 
|tables=
 
|tables=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Alyssum szowitsianum
 
name=Alyssum szowitsianum
|author=
 
 
|authority=Fischer & C. A. Meyer
 
|authority=Fischer & C. A. Meyer
 
|rank=species
 
|rank=species
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|publication year=1837
 
|publication year=1837
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V7/V7_322.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_322.xml
 
|tribe=Brassicaceae tribe Alysseae
 
|tribe=Brassicaceae tribe Alysseae
 
|genus=Alyssum
 
|genus=Alyssum

Latest revision as of 22:32, 5 November 2020

Annuals; canescent throughout, trichomes appressed, coarse, 8–16-rayed, rays often subequal. Stems often several from base, erect, ascending, or decumbent, (unbranched or few-branched distally), (0.2–)0.4–1.6(–2) dm. Cauline leaves subsessile; blade oblanceolate or linear-oblanceolate, (0.5–)0.7–1.5(–2) cm × (1–)2–4(–6) mm (gradually smaller distally), base attenuate, apex subacute. Fruiting pedicels ascending to suberect, straight, stout, 1–3(–4) mm, trichomes uniformly stellate. Flowers: sepals oblong, 1.2–1.5 × 0.5–0.6 mm, stellate-pubescent (trichomes with longer rays and appearing simple near apex); petals pale yellow, spatulate, 1.7–2 × 0.4–0.5 mm, base abruptly narrowed to claw, apex deeply emarginate, glabrous; filaments: median pairs not toothed, slightly expanded basally, lateral pair with basal appendage to 0.5 × 0.1 mm, often apically 2-toothed, 1.4–1.7 mm; anthers ovate, 0.1–0.2 mm. Fruits ovate-oblong, (3–)3.5–5 × (2.5–)3–4 mm, apex obtuse; valves uniformly inflated at middle, broadly flattened at margins, densely stellate-pubescent (rays equal); ovules 2 per ovary; style (slender), 0.3–0.5 mm, basally stellate-pubescent. Seeds ovoid, compressed, 1.6–1.9 × 1.2–1.6 mm, margins winglike, 0.1–0.3 mm wide. 2n = 16.


Phenology: Flowering May.
Habitat: Rocky soil
Elevation: 1500-2000 m

Distribution

V7 322-distribution-map.gif

Introduced; Utah, sw Asia.

Discussion

Alyssum szowitsianum is known in the flora area only from Salt Lake County.

Selected References

None.

Lower Taxa

None.