View source for Boltonia ← Boltonia You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Boltonia |accepted_authority=L’Héritier |publications={{Treatment/Publication |title=Sert. Angl., |place=27. 1789 |year=1789 }} |common_names=Doll’s-daisy |basionyms= |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Astereae;Boltonia |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> |etymology=For James Bolton, fl. 1750s–1799, English botanist, artist |volume=Volume 20 |mention_page=page 17 |treatment_page=page 353 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 30–200+ cm (rhizomatous, stoloniferous, or with basal offshoots). <b>Stems</b> erect to ascending, branched distally (ribbed), glabrous. <b>Leaves</b> basal (withering by flowering) and cauline; alternate; sessile (sometimes decurrent); blades 1-nerved, linear, subulate to lanceolate or oblanceolate (bases attenuate, cauline sometimes decurrent), margins entire to serrulate (teeth callous-tipped), (apices acute to acuminate) faces glabrous. <b>Heads</b> radiate, (10–100+) in leafy, corymbiform or paniculiform arrays. (Peduncles bracteate or ebracteate, bracts leaflike or scalelike.) Involucres hemispheric, (2–5 ×) 3–14 mm. <b>Phyllaries</b> 30–55 in 3–6 series, 1-nerved (midribs thickened, resinous; flat), linear to oblanceolate or spatulate, unequal to subequal, margins ± membranaceous, faces glabrous. <b>Receptacles</b> conic to hemispheric, obscurely pitted, epaleate. <b>Ray</b> florets 20–60, pistillate, fertile; corollas white to lilac (laminae linear to elliptic). <b>Disc</b> florets 50–400+, bisexual, fertile; corollas yellow, tubes shorter than funnelform throats, lobes 5, erect, triangular; style-branch appendages deltate. <b>Cypselae</b> dimorphic (brownish); ray ± triquetrous, margins arrowly winged, ribs 2 abaxial, 1 adaxial; disc obovoid to cuneate or obcordiform, laterally compressed, margins winged or not, resin ducts present, faces often puberulent; pappi persistent, usually of 2–3 sclerified awns plus (0–)7–12 shorter bristles or scales in 1 series. <b>x</b> = 9.</span><!-- -->{{Treatment/Body |distribution=North America. |discussion=<p>Species 5 (5 in the flora).</p> |tables= |references={{Treatment/Reference |id=morgan1966a |text=Morgan, J. T. 1966. A Taxonomic Study of the Genus Boltonia (Asteraceae). Ph.D. dissertation. University of North Carolina. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Disc cypselae lacking wings, or if present wings 0.01–0.1 mm wide; pappus awns 0–0.4 mm |[[#key-0-2| > 2]] |-id=key-0-1 |1 |Disc cypselae wings 0.1–0.5 mm wide; pappus awns (0.3–)0.4–2 mm |[[#key-0-3| > 3]] |-id=key-0-2 |2 |Heads in corymbiform arrays; outer phyllaries 1.7–2.8 mm; ray laminae 5–13 mm |[[Boltonia asteroides|Boltonia asteroides]] |-id=key-0-2 |2 |Heads in paniculiform arrays; outer phyllaries 1.2–1.6 mm; ray laminae 3–7.5 mm |[[Boltonia caroliniana|Boltonia caroliniana]] |-id=key-0-3 |3 |Bases of cauline leaves decurrent; rhizomes and stolons absent; Illinois, Missouri |[[Boltonia decurrens|Boltonia decurrens]] |-id=key-0-3 |3 |Bases of cauline leaves not decurrent; rhizomes or stolons present or absent; widely distributed or not in Illinois or Missouri. |[[#key-0-4| > 4]] |-id=key-0-4 |4 |Heads in paniculiform arrays, primary branches mostly spreading; only proximal bracts leaflike, 8–55 mm, others reduced and linear to linear-oblanceolate or subulate, 2–10(–15) mm |[[Boltonia diffusa|Boltonia diffusa]] |-id=key-0-4 |4 |Heads in corymbiform arrays, branches spreading to ascending; most bracts leaflike, 10–120 mm, only peduncle bracts reduced, linear to subulate or ovate to linear-oblanceolate, 1–12(–62) mm |[[#key-0-5| > 5]] |-id=key-0-5 |5 |Pappus awns 0.3–0.8 mm; outer phyllaries 1.3–2 mm; ray laminae 5–9 mm; Florida panhandle to se Louisiana |[[Boltonia apalachicolensis|Boltonia apalachicolensis]] |-id=key-0-5 |5 |Pappus awns 0.4–2 mm; outer phyllaries 1.5–3.8 mm; ray laminae 5–13 mm; e North America, Idaho, Oregon |[[Boltonia asteroides|Boltonia asteroides]] |} </div></div><!-- -->{{#Taxon: name=Boltonia |author=Vesna Karaman-Castro;Lowell E. Urbatsch |authority=L’Héritier |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Asteraceae |illustrator=Barbara Alongi |distribution=North America. |reference=morgan1966a |publication title=Sert. Angl., |publication year=1789 |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V20_817.xml |tribe=Asteraceae tribe Astereae |genus=Boltonia }}<!-- -->[[Category:Treatment]][[Category:Asteraceae tribe Astereae]] Templates used on this page: Template:Asteraceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Template:Treatment/Reference (view source) Return to Boltonia.