View source for Rayjacksonia annua

{{Treatment/ID
|accepted_name=Rayjacksonia annua
|accepted_authority=(Rydberg) R. L. Hartman & M. A. Lane
|publications={{Treatment/Publication
|title=Amer. J. Bot.
|place=83: 368. 1996
|year=1996
}}
|common_names=Viscid camphor-daisy
|basionyms={{Treatment/ID/Basionym
|name=Sideranthus annuus
|authority=Rydberg
|publication_title=Bull. Torrey Bot. Club
|publication_place=31: 653. 1905
}}
|synonyms={{Treatment/ID/Synonym
|name=Haplopappus annuus
|authority=(Rydberg) Cory
}} {{Treatment/ID/Synonym
|name=Machaeranthera annua
|authority=(Rydberg) Shinners
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Rayjacksonia;Rayjacksonia annua
|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>[[Rayjacksonia]]</div><div class="higher-taxon"><small>species</small>[[Rayjacksonia annua]]</div></div>
|volume=Volume 20
|mention_page=
|treatment_page=page 438
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 20–100 cm, herbaceous or suffrutescent. <b>Leaf</b> blades oblanceolate to oblong or oblong-lanceolate, mid-cauline (1–)4–15(–25) mm wide. <b>Heads</b> on short, sometimes bracteate peduncles, not surpassed by distal leaves. <b>Involucres</b> (4.5–)6–9 × 9–15(–20) mm. <b>Phyllaries</b> in 3–4 series, loose, strongly unequal, apices broadly spreading to squarrose, ca. 0.9–1 mm wide, herbaceous. <b>Ray</b> florets (13–)20–36; corollas 6–11(–14) mm. <b>Disc</b> florets: corolla tubes ± equaling limbs. <b>2n</b> = 12.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Jul–)Aug–Oct.
|habitat=Sand or sandy loam, prairies, stream sides and bottoms, alkaline flats, salt marsh edges, roadsides
|elevation=1000–1700 m
|distribution=Colo.;Kans.;Nebr.;N.Mex.;Okla.;Tex.;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Rayjacksonia annua
|author=
|authority=(Rydberg) R. L. Hartman & M. A. Lane
|rank=species
|parent rank=genus
|synonyms=Haplopappus annuus;Machaeranthera annua
|basionyms=Sideranthus annuus
|family=Asteraceae
|phenology=Flowering (Jul–)Aug–Oct.
|habitat=Sand or sandy loam, prairies, stream sides and bottoms, alkaline flats, salt marsh edges, roadsides
|elevation=1000–1700 m
|distribution=Colo.;Kans.;Nebr.;N.Mex.;Okla.;Tex.;Wyo.
|reference=None
|publication title=Amer. J. Bot.
|publication year=1996
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_1003.xml
|tribe=Asteraceae tribe Astereae
|genus=Rayjacksonia
|species=Rayjacksonia annua
}}<!--

-->[[Category:Treatment]][[Category:Rayjacksonia]]