View source for Lorandersonia peirsonii

{{Treatment/ID
|accepted_name=Lorandersonia peirsonii
|accepted_authority=(D. D. Keck) Urbatsch
|publications={{Treatment/Publication
|title=Sida
|place=21: 1623. 2005
|year=2005
}}
|common_names=Peirson’s serpentweed
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Haplopappus eximius subsp. peirsonii
|authority=D. D. Keck
|rank=subspecies
|publication_title=Madroño
|publication_place=5: 169. 1940
}}
|synonyms={{Treatment/ID/Synonym
|name=Haplopappus peirsonii
|authority=(D. D. Keck) J. T. Howell
|rank=species
}} {{Treatment/ID/Synonym
|name=Tonestus peirsonii
|authority=(D. D. Keck) G. L. Nesom & D. R. Morgan
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Lorandersonia;Lorandersonia peirsonii
|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>[[Lorandersonia]]</div><div class="higher-taxon"><small>species</small>[[Lorandersonia peirsonii]]</div></div>
|volume=Volume 20
|mention_page=page 173, 177, 178, 180, 184
|treatment_page=page 179
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> cespitose, 5–20 cm; with branched, woody caudices surmounting taproots. <b>Stems</b> (clothed with marcescent leaf bases) glabrous, densely stipitate-glandular. <b>Leaves</b>: basal blades broadly spatulate, 30–80 × 12–25 mm; cauline blades oblong to linear, 28–42 × 7–11 mm, reduced distally; 1- or 3-nerved, margins coarsely and irregularly serrate to (distal) nearly entire, stipitate-glandular, faces glabrous, stipitate-glandular. <b>Heads</b> radiate, usually borne singly, sometimes 2–4. <b>Peduncles</b> 8–24 mm. <b>Involucres</b> broadly campanulate, (14–)19–28 × (12–)14–20 mm. <b>Phyllaries</b> 19–31(–44) in 3–4 series, 1- or weakly 3-nerved, ± equal, margins eciliate; outer and mid green, oblong, 10–12 × 2–4.5(–7) mm, foliaceous, apices obtuse to acute, faces stipitate-glandular; inner usually green, sometimes anthocyanic, linear, 10–12.5 × 1–2.5 mm, chartaceous proximally, margins scarious, fimbriate and/or stipitate-glandular distally, apices acute to acuminate, faces stipitate-glandular distally. <b>Ray</b> florets 16–20; laminae elliptic, 6.5–8 × 1.5–2.5 mm. <b>Disc</b> florets 44–63, barely exceeding involucres; corollas narrowly funnelform, 7.5–10.5 mm, lobes erect, 0.7–1.7 mm, lengths 1/10–1/5 corollas; anthers 3.3–3.8 mm; style-branch appendages subulate, 1.3–2.5 mm, stigmatic lines ca. 1.5 mm. <b>Cypselae</b> linear, 2.5–6 mm, 6–9-nerved, faces strigose to villous, often ± viscid; pappus bristles ± 30, brittle. <b>2n</b> = 90.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting early–late summer.
|habitat=Crevices of granitic outcrops, talus slopes, in alpine and subalpine communities
|elevation=2900–3700 m
|distribution=Calif.
|discussion=<p><i>Lorandersonia peirsonii</i> is known only from the upper elevations of the central Sierra <i>Nevada</i> and from collections in the western Great Basin, in northeastern Fresno, northwestern Inyo, and southern Mono counties, California.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Lorandersonia peirsonii
|authority=(D. D. Keck) Urbatsch
|rank=species
|parent rank=genus
|synonyms=Haplopappus peirsonii;Tonestus peirsonii
|basionyms=Haplopappus eximius subsp. peirsonii
|family=Asteraceae
|phenology=Flowering and fruiting early–late summer.
|habitat=Crevices of granitic outcrops, talus slopes, in alpine and subalpine communities
|elevation=2900–3700 m
|distribution=Calif.
|reference=None
|publication title=Sida
|publication year=2005
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_391.xml
|tribe=Asteraceae tribe Astereae
|genus=Lorandersonia
|species=Lorandersonia peirsonii
}}<!--

-->[[Category:Treatment]][[Category:Lorandersonia]]