View source for Perityle ajoensis

{{Treatment/ID
|accepted_name=Perityle ajoensis
|accepted_authority=Todsen
|publications={{Treatment/Publication
|title=J. Arizona Acad. Sci.
|place=9: 35. 1974
|year=1974
}}
|common_names=Ajo rock daisy
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Peritylinae;Perityle;Perityle sect. Laphamia;Perityle ajoensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Peritylinae]]</div><div class="higher-taxon"><small>genus</small>[[Perityle]]</div><div class="higher-taxon"><small>section</small>[[Perityle sect. Laphamia]]</div><div class="higher-taxon"><small>species</small>[[Perityle ajoensis]]</div></div>
|volume=Volume 21
|mention_page=page 324
|treatment_page=page 331
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>or subshrubs, to 30 cm; usually densely short-tomentose. <b>Leaves</b> (proximally opposite, distally alternate): petioles 3–10 mm; blades deltate, ovate, or suborbiculate, 5–15 × 5–15 mm, margins shallow-crenate to dentate. <b>Heads</b> borne singly or (2–10) in loose, corymbiform arrays, 7–9 × 6–9 mm. <b>Peduncles</b> 5–15 mm. <b>Involucres</b> campanulate to hemispheric. <b>Phyllaries</b> 15–20, oblanceolate to broadly lanceolate, 4–5 × 0.8–1.8 mm. <b>Ray</b> florets 0. <b>Disc</b> florets 20–45; corollas yellow, tubes 1–1.2 mm, throats tubular to narrowly funnelform, 1.3–1.6 mm, lobes 0.4–0.6 mm. <b>Cypselae</b> narrowly suboblong to oblanceolate, 2.5–3.5 mm, margins prominently calloused, short-hairy; pappi of 1(–2) stout bristles 1.8–2.8 mm. <b>2n</b> = 34.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–fall.
|habitat=Crevices of rocky canyon walls and cliff faces
|elevation=800–1200 m
|distribution=Ariz.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Perityle ajoensis</i> occurs in the Ajo Mountains of Organ Pipe Cactus National Monument in Pima County.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Perityle ajoensis
|authority=Todsen
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering spring–fall.
|habitat=Crevices of rocky canyon walls and cliff faces
|elevation=800–1200 m
|distribution=Ariz.
|reference=None
|publication title=J. Arizona Acad. Sci.
|publication year=1974
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_824.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae
|genus=Perityle
|section=Perityle sect. Laphamia
|species=Perityle ajoensis
}}<!--

-->[[Category:Treatment]][[Category:Perityle sect. Laphamia]]