View source for Psilactis asteroides

{{Treatment/ID
|accepted_name=Psilactis asteroides
|accepted_authority=A. Gray
|publications={{Treatment/Publication
|title=Mem. Amer. Acad. Arts, n. s.
|place=4: 72. 1849
|year=1849
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Aster boltoniae
|authority=Greene
|rank=species
}} {{Treatment/ID/Synonym
|name=Machaeranthera boltoniae
|authority=(Greene) B. L. Turner & D. B. Horne
|rank=species
}} {{Treatment/ID/Synonym
|name=Psilactis leptos
|authority=Shinners
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Psilactis;Psilactis asteroides
|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>[[Psilactis]]</div><div class="higher-taxon"><small>species</small>[[Psilactis asteroides]]</div></div>
|volume=Volume 20
|mention_page=page 462
|treatment_page=page 464
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 25–150 cm. <b>Stems</b> and branches often sparsely appressed-hairy, stipitate-glandular distally, occasionally proximally. <b>Distal</b> leaf blades lanceolate to narrowly elliptic or linear, smallest 2.5–5 × 0.7–1.5 mm, bases cuneate to slightly cordate, sometimes slightly clasping. <b>Involucres</b> hemispheric, 4–5 mm. <b>Phyllaries</b> unequal; outer oblong to narrowly elliptic to lanceolate, 2–2.5 × 0.6–0.9 mm, mostly herbaceous, bases inconspicuously indurate, scarious margins absent or obscured by stipitate glands; inner oblanceolate to lanceolate or linear-lanceolate, 3–5 × 0.7–1 mm, bases indurate, margins scarious. <b>Receptacles</b> flat to convex, 1.8–4 mm wide. <b>Ray</b> florets 20–40; laminae 5–9 × 0.5–1 mm. <b>Disc</b> florets 40–75; corollas 2–3.5 mm. <b>Ray</b> cypselae 1–1.8 mm, sparsely appressed-hairy. <b>Disc</b> cypselae 1.2–2.2 mm, sparsely appressed-hairy; pappi 30–45, 1.5–3 mm. <b>2n</b> = 8.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Nov.
|habitat=Wet or occasionally flooded habitats, stream banks, lakeshores, ditches, fields, disturbed areas
|elevation=900–2100 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico.
|discussion=<p><i>Psilactis asteroides</i> grows in eastern Arizona and western New Mexico and Texas.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Psilactis asteroides
|authority=A. Gray
|rank=species
|parent rank=genus
|synonyms=Aster boltoniae;Machaeranthera boltoniae;Psilactis leptos
|basionyms=
|family=Asteraceae
|phenology=Flowering May–Nov.
|habitat=Wet or occasionally flooded habitats, stream banks, lakeshores, ditches, fields, disturbed areas
|elevation=900–2100 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico.
|reference=None
|publication title=Mem. Amer. Acad. Arts, n. s.
|publication year=1849
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V20_1072.xml
|tribe=Asteraceae tribe Astereae
|genus=Psilactis
|species=Psilactis asteroides
}}<!--

-->[[Category:Treatment]][[Category:Psilactis]]