View source for Alyssum desertorum

{{Treatment/ID
|accepted_name=Alyssum desertorum
|accepted_authority=Stapf
|publications={{Treatment/Publication
|title=Denkschr. Kaiserl. Akad. Wiss., Wien. Math.-Naturwiss. Kl.
|place=51: 302. 1886
|year=1886
}}
|basionyms=
|synonyms=
|hierarchy=Brassicaceae;Brassicaceae tribe Alysseae;Alyssum;Alyssum desertorum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Alysseae]]</div><div class="higher-taxon"><small>genus</small>[[Alyssum]]</div><div class="higher-taxon"><small>species</small>[[Alyssum desertorum]]</div></div>
|volume=Volume 7
|mention_page=
|treatment_page=page 248
}}<!--

--><span class="statement" id="st-undefined" data-properties="">Annuals; canescent throughout except fruit, trichomes appressed, 8–20-rayed. <b>Stems</b> simple or few to several from base, erect, ascending, or decumbent, (0.2–)0.5–1.8(–2.8) dm. <b>Cauline</b> leaves subsessile or (proximal) attenuate to petiole-like base (to 0.5 cm); blade linear to oblanceolate-linear, (0.3–)0.5–2.5(–3) cm × (0.5–)1–3(–4) mm (gradually smaller distally), base attenuate, apex acute. <b>Fruiting</b> pedicels ascending or subdivaricate, straight, stout, (1–)1.5–3.5(–4.5) mm, trichomes uniformly stellate. <b>Flowers</b>: sepals oblong, 1.4–1.8(–2) × 0.4–0.5 mm, stellate-pubescent; petals pale yellow, oblanceolate, 2–2.5 × 0.5–0.6 mm, base attenuate, apex obtuse or retuse, sparsely stellate-pubescent abaxially; filaments: median pairs not toothed, gradually expanded from apex to narrowly winged base, lateral pair with broadly winged appendage apically notched into 2 teeth, 1–1.8(–2) mm; anthers ovate, 0.1–0.2 mm. <b>Fruits</b> orbicular, 2.5–4(–4.5) mm diam., apex shallowly emarginate, usually glabrous; valves uniformly inflated at middle, broadly flattened at margins, often glaucous, rarely sparsely pubescent (when young); ovules 2 per ovary; style 0.3–0.7 mm, glabrous. <b>Seeds</b> ovoid, slightly compressed, 1.2–1.5 × 0.9–1.1 mm, margined or not. <b>2n</b> = 32.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Jul.
|habitat=Deserts, rocky areas, disturbed sites, roadsides, fields, meadows, sagebrush flats
|elevation=800-2000 m
|distribution=Alta.;B.C.;Sask.;Calif.;Colo.;Idaho;Mont.;Nebr.;Nev.;N.Dak.;Oreg.;S.Dak.;Utah;Wash.;Wyo.;Europe;c Asia.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Alyssum desertorum
|author=
|authority=Stapf
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Brassicaceae
|phenology=Flowering Apr–Jul.
|habitat=Deserts, rocky areas, disturbed sites, roadsides, fields, meadows, sagebrush flats
|elevation=800-2000 m
|distribution=Alta.;B.C.;Sask.;Calif.;Colo.;Idaho;Mont.;Nebr.;Nev.;N.Dak.;Oreg.;S.Dak.;Utah;Wash.;Wyo.;Europe;c Asia.
|introduced=true
|reference=None
|publication title=Denkschr. Kaiserl. Akad. Wiss., Wien. Math.-Naturwiss. Kl.
|publication year=1886
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_320.xml
|tribe=Brassicaceae tribe Alysseae
|genus=Alyssum
|species=Alyssum desertorum
}}<!--

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