View source for Malacothrix stebbinsii

{{Treatment/ID
|accepted_name=Malacothrix stebbinsii
|accepted_authority=W. S. Davis & P. H. Raven
|publications={{Treatment/Publication
|title=Madroño
|place=16: 265, fig. 2e. 1962
|year=1962
}}
|common_names=Stebbins’s desertdandelion
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Malacothrix clevelandii var. stebbinsii
|authority=(W. S. Davis & P. H. Raven) Cronquist
}}
|hierarchy=Asteraceae;Asteraceae tribe Cichorieae;Malacothrix;Malacothrix stebbinsii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cichorieae]]</div><div class="higher-taxon"><small>genus</small>[[Malacothrix]]</div><div class="higher-taxon"><small>species</small>[[Malacothrix stebbinsii]]</div></div>
|volume=Volume 19
|mention_page=page 312
|treatment_page=page 321
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 5–60 cm. <b>Stems</b> 1–5+, ± erect, branched distally, sparsely leafy, glabrous. <b>Cauline</b> leaves: proximal obovate, pinnately lobed (lobes 3–5+ pairs, triangular to oblong or linear), not fleshy, ultimate margins entire or dentate, faces glabrous; distal reduced (usually with 2 lobes near bases). <b>Calyculi</b> of 5–8+, ovate to lanceolate bractlets, hyaline margins 0.05–0.2 mm. <b>Involucres</b> ± campanulate, 7–10 × 3–6 mm. <b>Phyllaries</b> 16–20+ in 2–3 series, lanceolate to lance-linear, hyaline margins 0.05–0.1 mm wide, faces glabrous. <b>Receptacles</b> not bristly. <b>Florets</b> 19–70; corollas usually yellow, sometimes white, 6–7 mm; outer ligules exserted 1–2 mm. <b>Cypselae</b> ± cylindro-fusiform, 1.7–2.3 mm, ribs extending to ca. 0.1–0.2 mm short of apices (minutely hirtellous or muriculate), ± equal (distal 0.1–0.2 mm of cypselae smooth); pappi persistent, of 8–15+, needlelike teeth plus 1(–2) bristles. <b>Pollen</b> 70–100% 4-porate. <b>2n</b> = 28.</span><!--

-->{{Treatment/Body
|phenology=Flowering Mar–Jun.
|habitat=Gravelly soils beneath shrubs, along ditches, near streams, in sagebrush steppes, creosote bush scrublands
|elevation=300–1300 m
|distribution=Ariz.;Calif.;Nev.;N.Mex.;Mexico (Sonora).
|discussion=<p><i>Malacothrix stebbinsii</i> grows in the Mojave Desert (Borrego area, California) and the Sonoran Desert (Santa Catalina, Mazatzal, Baboquivari, and Santa Rita mountains, and elsewhere in Arizona).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Malacothrix stebbinsii
|author=
|authority=W. S. Davis & P. H. Raven
|rank=species
|parent rank=genus
|synonyms=Malacothrix clevelandii var. stebbinsii
|basionyms=
|family=Asteraceae
|phenology=Flowering Mar–Jun.
|habitat=Gravelly soils beneath shrubs, along ditches, near streams, in sagebrush steppes, creosote bush scrublands
|elevation=300–1300 m
|distribution=Ariz.;Calif.;Nev.;N.Mex.;Mexico (Sonora).
|reference=None
|publication title=Madroño
|publication year=1962
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V19_489.xml
|tribe=Asteraceae tribe Cichorieae
|genus=Malacothrix
|species=Malacothrix stebbinsii
}}<!--

-->[[Category:Treatment]][[Category:Malacothrix]]