View source for Helenium puberulum

{{Treatment/ID
|accepted_name=Helenium puberulum
|accepted_authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
|publications={{Treatment/Publication
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|place=5: 667. 1836
|year=1836
}}
|common_names=Rosilla
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Gaillardiinae;Helenium;Helenium puberulum
|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 Gaillardiinae]]</div><div class="higher-taxon"><small>genus</small>[[Helenium]]</div><div class="higher-taxon"><small>species</small>[[Helenium puberulum]]</div></div>
|volume=Volume 21
|mention_page=page 427, 428
|treatment_page=page 432
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>or perennials, 50–160 cm. <b>Stems</b> usually 1, branched distally, strongly winged, glabrous proximally, sparsely hairy distally. <b>Leaves</b> glabrous or sparsely hairy; basal blades oblanceolate to oblong-elliptic, entire; proximal and mid blades lanceolate to oblong-elliptic, entire; distal blades lance-linear, entire. <b>Heads</b> 4–20(–30) per plant, in paniculiform arrays. <b>Peduncles</b> (6–)9–17(–23) cm, sparsely to moderately hairy. <b>Involucres</b> globose to depressed globose, 9–15 × 9–17(–19) mm. <b>Phyllaries</b> (distinct or connate proximally) moderately hairy. <b>Ray</b> florets 0, or 13–15, pistillate, fertile; corollas yellow, 3.8–10 × 2–4 mm. <b>Disc</b> florets 300–500(–1000+); corollas yellow proximally, yellow to reddish brown to purple distally, (1.6–)1.9–2.7 mm, lobes 4(–5). <b>Cypselae</b> 1.2–1.9 mm, moderately hairy; pappi of 5–6 entire, aristate scales 0.4–1 mm. <b>2n</b> = 58.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Mar–)Jun–Aug(–Nov).
|habitat=Along streams, ditches, seepage areas, around ponds and lakes, forests, woodlands
|elevation=0–1200 m
|distribution=Calif.;Mexico (Baja California).
|discussion=<p><i>Helenium puberulum</i> may be of amphidiploid origin from hybridization between <i>H. bigelovii</i> (perennial, radiate, 2n = 32) and <i>H. thurberi</i> (annual, rayless, 2n = 26) (M. W. Bierner 1972).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Helenium puberulum
|authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering (Mar–)Jun–Aug(–Nov).
|habitat=Along streams, ditches, seepage areas, around ponds and lakes, forests, woodlands
|elevation=0–1200 m
|distribution=Calif.;Mexico (Baja California).
|reference=None
|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|publication year=1836
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_1078.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae
|genus=Helenium
|species=Helenium puberulum
}}<!--

-->[[Category:Treatment]][[Category:Helenium]]