View source for Hasteola

{{Treatment/ID
|accepted_name=Hasteola
|accepted_authority=Rafinesque
|publications={{Treatment/Publication
|title=New Fl.
|place=4: 79. 1838
|year=1838
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Hasteola
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Senecioneae]]</div><div class="higher-taxon"><small>genus</small>[[Hasteola]]</div></div>
|etymology=Latin hasta, spear, and - ola, diminutive, alluding to leaves of type species
|volume=Volume 20
|mention_page=page 543, 611
|treatment_page=page 610
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> (50–)60–240 cm. <b>Stems</b> usually 1, erect (unbranched proximal to heads). <b>Leaves</b> basal and cauline; alternate; petiolate (proximal) or sessile; blades pinnately nerved, broadly deltate or hastate (proximal) to broadly lanceolate, margins doubly-serrate, faces glabrous. <b>Heads</b> discoid, in corymbiform (± flat-topped) arrays. <b>Calyculi</b> of 4–9+ (subulate, rarely leaflike) bractlets. <b>Involucres</b> cylindric or campanulate to obconic, 5–8+ mm diam. (glabrous). <b>Phyllaries</b> persistent, 7–14+ in 1–2 series, erect, distinct, oblong, ± equal, margins chartaceous to scarious. <b>Receptacles</b> slightly convex or flat, foveolate, epaleate. <b>Ray</b> florets 0. <b>Disc</b> florets 10–55, bisexual, fertile; corollas usually white or ochroleucous to greenish, rarely pinkish, tubes longer than cylindric throats, lobes 5, erect to spreading, lanceolate; style branches stigmatic in 2 lines, apices truncate or truncate-penicillate (appendages essentially 0). <b>Cypselae</b> cylindric-fusiform, 8–12-ribbed, glabrous; pappi persistent (fragile), of 100–150+, white, barbellulate bristles. <b>x</b> = 10.</span><!--

-->{{Treatment/Body
|distribution=e United States.
|discussion=<p>Species 2 (2 in the flora).</p><!--
--><p>Asian species that have been assigned to <i>Hasteola</i> belong to <i>Parasenecio</i>.</p>
|tables=
|references={{Treatment/Reference
|id=anderson1994a
|text=Anderson, L. C. 1994. A revision of Hasteola (Asteraceae) in the New World. Syst. Bot. 19: 211–219.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Florets 10–14; proximal cauline leaves deltate
|[[Hasteola robertiorum|Hasteola robertiorum]]
|-id=key-0-1
|1
|Florets 18–55; proximal cauline leaves hastate to deltate or lanceolate
|[[Hasteola suaveolens|Hasteola suaveolens]]
|}
</div></div><!--

-->{{#Taxon:
name=Hasteola
|author=Loran C. Anderson
|authority=Rafinesque
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=e United States.
|reference=anderson1994a
|publication title=New Fl.
|publication year=1838
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1369.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Hasteola
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Senecioneae]]