View source for Tonestus lyallii

{{Treatment/ID
|accepted_name=Tonestus lyallii
|accepted_authority=(A. Gray) A. Nelson
|publications={{Treatment/Publication
|title=Bot. Gaz.
|place=37: 262. 1904
|year=1904
}}
|common_names=Lyall’s serpentweed
|basionyms={{Treatment/ID/Basionym
|name=Haplopappus lyallii
|authority=A. Gray
|rank=species
|publication_title=Proc. Acad. Nat. Sci. Philadelphia
|publication_place=15: 64. 1864 (as Aplopappus lyalli)
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Tonestus;Tonestus lyallii
|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>[[Tonestus]]</div><div class="higher-taxon"><small>species</small>[[Tonestus lyallii]]</div></div>
|volume=Volume 20
|mention_page=page 181, 182
|treatment_page=page 183
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> loosely cespitose, 4–8.5(–15) cm; with branched caudices surmounting poorly developed taproots, or short rhizomes. <b>Stems</b> glabrous, densely stipitate-glandular. <b>Leaves</b>: basal blades linear to spatulate, 30–85 × 3–12 mm; cauline blades oblong to broadly lanceolate, 12–37 × 3–9(–12) mm, gradually reduced distally; 3–5-nerved, margins entire, eciliate, stipitate-glandular, faces stipitate-glandular. <b>Peduncles</b> 2–5 mm. <b>Heads</b> 1(–2). <b>Involucres</b> broadly campanulate, 11–22 × 8–11 mm. <b>Phyllaries</b> 18–42, in 3–4(–5) series, , 1- or weakly 3-nerved, ± equal, margins eciliate; outer and mid oblong to broadly lanceolate, 5.2–9.5 × 1–3.5 mm, stipitate-glandular, apices acute; inner green or anthocyanic, linear, 8–13 × 1–2 mm, chartaceous proximally, margins scarious, fimbriate and/or stipitate-glandular distally, apices acute to acuminate, sometimes reflexed, faces stipitate-glandular distally. <b>Ray</b> florets 11–23; laminae elliptic, 6.5–8 × 1–3.5 mm. <b>Disc</b> florets 27–56; corollas narrowly funnelform, 5.5–8.5 mm, scarcely exceeding involucres, lobes erect to spreading, 0.6–0.8 mm, lengths 1/10–1/5 corollas; anthers 2–2.5 mm; style-branch appendages lanceolate, 0.7–1 × 0.2–0.3 mm, stigmatic lines 0.9–1.4 mm. <b>Cypselae</b> linear, 2.5–5.5 mm, 8–12-nerved, faces glabrous or sparsely hairy distally; pappus bristles 35–52, flexible. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting early–late summer.
|habitat=Meadows, fellfields, talus slopes, rock crevices, open coniferous forests in alpine and subalpine communities, on soils usually of granitic, sometime of limestone or shale origin
|elevation=1500–3800 m
|distribution=Alta. ;B.C.;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Wash.;Wyo.
|discussion=<p><i>Tonestus lyallii</i> is widespread in the central Rocky Mountains and ranges of the Pacific Northwest, and is known in the Great Basin from collections in the Ruby Mountains in Elko County, <i>Nevada</i>. Populations documented from the Coast Range in Siskyou and Trinity counties, California, are disjunct from those in Oregon and Washington by more than 700 km.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Tonestus lyallii
|authority=(A. Gray) A. Nelson
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Haplopappus lyallii
|family=Asteraceae
|phenology=Flowering and fruiting early–late summer.
|habitat=Meadows, fellfields, talus slopes, rock crevices, open coniferous forests in alpine and subalpine communities, on soils usually of granitic, sometime of limestone or shale origin
|elevation=1500–3800 m
|distribution=Alta. ;B.C.;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Wash.;Wyo.
|reference=None
|publication title=Bot. Gaz.
|publication year=1904
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_396.xml
|tribe=Asteraceae tribe Astereae
|genus=Tonestus
|species=Tonestus lyallii
}}<!--

-->[[Category:Treatment]][[Category:Tonestus]]