View source for Palafoxia callosa

{{Treatment/ID
|accepted_name=Palafoxia callosa
|accepted_authority=(Nuttall) Torrey & A. Gray
|publications={{Treatment/Publication
|title=Fl. N. Amer.
|place=2: 369. 1842
|year=1842
}}
|basionyms={{Treatment/ID/Basionym
|name=Stevia callosa
|authority=Nuttall
|rank=species
|publication_title=J. Acad. Nat. Sci. Philadelphia
|publication_place=2: 121. 1821
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Palafoxia;Palafoxia callosa
|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 Chaenactidinae]]</div><div class="higher-taxon"><small>genus</small>[[Palafoxia]]</div><div class="higher-taxon"><small>species</small>[[Palafoxia callosa]]</div></div>
|volume=Volume 21
|mention_page=page 388, 389
|treatment_page=page 390
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism some measurement;whole-organism duration"><b>Annuals,</b> 20–60 cm.</span> <span class="statement" id="st-d0_s1" data-properties="stem pubescence;stem pubescence"><b>Stems </b>scabrous to glabrate, not stipitate-glandular.</span> <span class="statement" id="st-d0_s2" data-properties="leaf-blade arrangement or course or shape;leaf-blade length;leaf-blade width"><b>Leaf-</b>blades linear, 20–70 × 1–4 mm.</span> <span class="statement" id="st-d0_s3" data-properties="involucre shape"><b>Involucres </b>± turbinate.</span> <span class="statement" id="st-d0_s4" data-properties="phyllary length;phyllary width;phyllary variability;phyllary pubescence;phyllary pubescence"><b>Phyllaries </b>3–5 × 1+ mm, ± equal, ± strigillose, not stipitate-glandular.</span> <span class="statement" id="st-d0_s5" data-properties="ray-floret presence"><b>Ray-</b>florets 0.</span> <span class="statement" id="st-d0_s6" data-properties="disc-floret quantity"><b>Disc-</b>florets 5–30;</span> <span class="statement" id="st-d0_s7" data-properties="corolla architecture;corolla some measurement;throat height or length or size">corollas actinomorphic, 5–6 mm, throats ± funnelform, shorter than lobes.</span> <span class="statement" id="st-d0_s8" data-properties="cypsela some measurement"><b>Cypselae </b>3–5 mm;</span> <span class="statement" id="st-d0_s9" data-properties="cypsela pappus-scale distance;2n chromosome quantity">pappus-scales of inner cypselae 0.3–1 mm. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–fall.
|habitat=Rocky, calcareous soils
|elevation=50–300 m
|distribution=Ark.;Mo.;Tex.;Mexico (Coahuila)
|discussion=<p>Some depauperate specimens of Palafoxia rosea (e.g., Oklahoma, Beckham Co., 17 Oct 1936, Eskero 1502, US) closely resemble P. callosa.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Palafoxia callosa
|authority=(Nuttall) Torrey & A. Gray
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Stevia callosa
|family=Asteraceae
|phenology=Flowering summer–fall.
|habitat=Rocky, calcareous soils
|elevation=50–300 m
|distribution=Ark.;Mo.;Tex.;Mexico (Coahuila)
|reference=None
|publication title=Fl. N. Amer.
|publication year=1842
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21_984.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
|genus=Palafoxia
|species=Palafoxia callosa
|2n chromosome quantity=20
|corolla architecture=actinomorphic
|corolla some measurement=5mm;6mm
|cypsela pappus-scale distance=0.3mm;1mm
|cypsela some measurement=3mm;5mm
|disc-floret quantity=5;30
|involucre shape=turbinate
|leaf-blade arrangement or course or shape=linear
|leaf-blade length=20mm;70mm
|leaf-blade width=1mm;4mm
|phyllary length=3mm;5mm
|phyllary pubescence=not stipitate-glandular;strigillose
|phyllary variability=equal
|ray-floret presence=absent
|stem pubescence=not stipitate-glandular;scabrous;glabrate
|throat height or length or size=shorter
|whole-organism duration=annual
|whole-organism some measurement=20cm;60cm
}}<!--

-->[[Category:Treatment]][[Category:Palafoxia]]