View source for Toiyabea

{{Treatment/ID
|accepted_name=Toiyabea
|accepted_authority=R. P. Roberts
|publications={{Treatment/Publication
|title=Sida
|place=21: 1652. 2005
|year=2005
}}
|common_names=Alpine serpentweed
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Toiyabea
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Toiyabea]]</div></div>
|etymology=For Toiyabe Mountain Range, Nevada; traditional Shoshone, black mountains
|volume=Volume 20
|mention_page=page 13, 173, 182
|treatment_page=page 172
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 10–20 cm, herbage densely stipitate-glandular (with caudices or short rhizomes, bases woody). <b>Stems</b> (1–10) erect, usually simple. <b>Leaves</b> basal and cauline; alternate; usually sessile, proximal petiolate; blades with prominent midnerves plus 1–2 pairs of smaller, ± parallel, collateral nerves often evident, spatulate to obovate or oblanceolate, margins (distal 1/2) coarsely dentate to serrate, faces often gland-dotted. <b>Heads</b> discoid, usually borne singly, sometimes (2–5) in elongate or flat-topped cymiform arrays. <b>Involucres</b> campanulate to hemispheric, (10–12 ×) 7–10 mm. <b>Phyllaries</b> 21–28 in 2–3 series, 3-nerved (flat), subequal, foliaceous, margins ciliolate, faces stipitate-glandular; outer slightly spreading, broadly ovate (apices obtuse, mucronulate), inner lanceolate-spatulate (apices acuminate-cuspidate). <b>Receptacles</b> convex, pitted, epaleate. <b>Ray</b> florets 0. <b>Disc</b> florets (29–)35–50(–55), bisexual, fertile; corollas golden yellow, tubes shorter than narrowly funnelform throats, lobes 5, spreading to recurved, lanceolate; style-branch appendages narrowly lanceolate. <b>Cypselae</b> (tan to reddish brown) cylindric to fusiform, sometimes slightly compressed, 4–5-nerved, faces hairy; pappi persistent, of ca. 25, tan, fine, barbellate, apically attenuate bristles in 1 series. <b>x</b> = 9.</span><!--

-->{{Treatment/Body
|distribution=w United States.
|discussion=<p>Species 1.</p><!--
--><p>Toiyabea was originally described as Haplopappus and later transferred to Tonestus. Investigations based on DNA sequence data (R. P. Roberts 2002; Roberts and L. E. Urbatsch 2004) failed to support the monophyly of Tonestus in the sense of G. L. Nesom and D. R. Morgan (1990). Evolutionary affinities of Toiyabea appear to be with Petradoria. Close affinity of Toiyabea alpina to Tonestus eximius and Lorandersonia peirsonii suggested by morphology is not supported thus far by sequence data.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Toiyabea
|author=Lowell E. Urbatsch;Roland P. Roberts;Kurt M. Neubig
|authority=R. P. Roberts
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|illustrator=Yevonn Wilson-Ramsey
|distribution=w United States.
|reference=None
|publication title=Sida
|publication year=2005
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V20_377.xml
|tribe=Asteraceae tribe Astereae
|genus=Toiyabea
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Astereae]]