View source for Malacothrix sonorae

{{Treatment/ID
|accepted_name=Malacothrix sonorae
|accepted_authority=W. S. Davis & P. H. Raven
|publications={{Treatment/Publication
|title=Madroño
|place=16: 264, fig. 2d. 1962
|year=1962
}}
|common_names=Sonoran desertdandelion
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cichorieae;Malacothrix;Malacothrix sonorae
|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 sonorae]]</div></div>
|volume=Volume 19
|mention_page=page 312
|treatment_page=page 320
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 10–35 cm. <b>Stems</b> 1(–9), erect, branched from bases and distally, relatively sparsely leafy, glabrous. <b>Cauline</b> leaves: proximal narrowly oblanceolate to obovate, usually pinnately lobed (lobes oblong to triangular), not fleshy, ultimate margins ± dentate, faces glabrous; distal greatly reduced (margins entire or basally dentate, apices acute). <b>Calyculi</b> of 5–8+, subulate to lanceolate bractlets, hyaline margins 0.05–0.2 mm. <b>Involucres</b> ± campanulate, 6–9 × 4–6.6 mm. <b>Phyllaries</b> 12–15+ in 2(–3) series, lance-oblong to lance-linear, hyaline margins 0.05–0.2 mm wide, faces glabrous. <b>Receptacles</b> not bristly. <b>Florets</b> 30–61; corollas white or pale yellow, 6–10+ mm; outer ligules exserted 1–4 mm. <b>Cypselae</b> ± cylindro-fusiform, 1.7–2 mm, ribs ending 0.2–0.3 mm short of apices, ± equal (distal 0.2–0.3 mm of cypselae slightly expanded, smooth); pappi persistent, of 16–18 needlelike teeth plus 2 bristles. <b>Pollen</b> 70–100% 3-porate. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|phenology=Flowering Mar–May.
|habitat=Sandy, open areas among bushes, Larrea-Lycium-Cercidium-Baccharis associations, Quercus, Pinus, Juglans woodlands
|elevation=400–1500 m
|distribution=Ariz.;N.Mex.;Mexico (Sonora).
|discussion=<p><i>Malacothrix sonorae</i> is found mainly in the Sonoran Desert (Tucson, Kofa, Pinal, White Tank, Baboquivari, and Waterman mountains).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Malacothrix sonorae
|authority=W. S. Davis & P. H. Raven
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering Mar–May.
|habitat=Sandy, open areas among bushes, Larrea-Lycium-Cercidium-Baccharis associations, Quercus, Pinus, Juglans woodlands
|elevation=400–1500 m
|distribution=Ariz.;N.Mex.;Mexico (Sonora).
|reference=None
|publication title=Madroño
|publication year=1962
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V19_487.xml
|tribe=Asteraceae tribe Cichorieae
|genus=Malacothrix
|species=Malacothrix sonorae
}}<!--

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