View source for Boltonia asteroides

{{Treatment/ID
|accepted_name=Boltonia asteroides
|accepted_authority=(Linnaeus) L’Héritier
|publications={{Treatment/Publication
|title=Sert. Angl.,
|place=27. 1789
|year=1789
}}
|common_names=White doll’s-daisy;asterlike boltonia
|basionyms={{Treatment/ID/Basionym
|name=Matricaria asteroides
|authority=Linnaeus
|publication_title=Mant. Pl.,
|publication_place=116. 1767
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Boltonia;Boltonia 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>[[Boltonia]]</div><div class="higher-taxon"><small>species</small>[[Boltonia asteroides]]</div></div>
|volume=Volume 20
|mention_page=page 357
|treatment_page=page 355
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>30–200 mm; stoloniferous. <b>Stems</b> erect. <b>Leaf</b> blades linear or lanceolate to oblanceolate; cauline 20–220 × 2–30 mm, bases not decurrent. <b>Heads</b> usually in corymbiform, sometimes paniculiform arrays, branches spreading to ascending, most bracts leaflike, 15–120 × 2–18 mm. <b>Peduncles</b> 5–220 mm; bracts 0–15, linear to subulate or ovate to oblanceolate, 2–12(–62) mm. <b>Involucres</b> 3–5 × 4–14 mm. <b>Phyllaries</b> in 3–5 series, subulate, linear, lanceolate, or spatulate, subequal, 0–6 merging down peduncles; outer 1.5–3.8 × 0.4–1.6 mm; inner 2.1–4 × 0.3–1.5. <b>Ray</b> florets 20–60; corollas white to lilac, laminae 5–13 mm, tubes 0.5–1.7 mm. <b>Disc</b> florets 65–170; corollas 1.5–2.6 mm. <b>Cypselae</b> obovoid, 1–3 × 0.8–2 mm, wings 0.1–0.5 mm wide; pappi awns 0.4–2 mm (lengths ± 2/3 cypselae).</span><!--

-->{{Treatment/Body
|distribution=North America.
|discussion=<p>Varieties 3 (3 in the flora).</p><!--
--><p>Variety asteroides is restricted to the coastal plain province. Varieties latisquama and recognita occur in the central lowland province and in the highland provinces between it and the coastal plain; <i></i></i>var.<i><i> recognita</i> is also disjunct in Idaho and Oregon.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Phyllaries linear to linear-attenuate or subulate, apices acute; pappus awn lengths to 2/3 cypselae
|[[Boltonia asteroides var. asteroides|Boltonia asteroides var. asteroides]]
|-id=key-0-1
|1
|Phyllaries spatulate, oblanceolate, or linear-oblanceolate, apices cuspidate; pappus awn lengths 2/3 + cypselae
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Phyllaries spatulate to obovate-spatulate, membranaceous margins broad, (2–)2.5–6 mm wide
|[[Boltonia asteroides var. latisquama|Boltonia asteroides var. latisquama]]
|-id=key-0-2
|2
|Phyllaries, oblanceolate to linear-oblanceolate, membranaceous margins ± narrow, 1–2.5(–3) mm wide
|[[Boltonia asteroides var. recognita|Boltonia asteroides var. recognita]]
|}
</div></div><!--

-->{{#Taxon:
name=Boltonia asteroides
|author=
|authority=(Linnaeus) L’Héritier
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Matricaria asteroides
|family=Asteraceae
|distribution=North America.
|reference=None
|publication title=Sert. Angl.,
|publication year=1789
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_819.xml
|tribe=Asteraceae tribe Astereae
|genus=Boltonia
|species=Boltonia asteroides
}}<!--

-->[[Category:Treatment]][[Category:Boltonia]]