View source for Ratibida pinnata

{{Treatment/ID
|accepted_name=Ratibida pinnata
|accepted_authority=(Ventenat) Barnhart
|publications={{Treatment/Publication
|title=Bull. Torrey Bot. Club
|place=24: 410. 1897
|year=1897
}}
|common_names=Grayhead or pinnate prairie coneflower
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Rudbeckia pinnata
|authority=Ventenat
|rank=species
|publication_title=Descr. Pl. Nouv., plate
|publication_place=71. 1802
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae;Ratibida;Ratibida pinnata
|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 Rudbeckiinae]]</div><div class="higher-taxon"><small>genus</small>[[Ratibida]]</div><div class="higher-taxon"><small>species</small>[[Ratibida pinnata]]</div></div>
|volume=Volume 21
|mention_page=page 61
|treatment_page=page 62
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> to 125+ cm; fibrous rooted (arising from stout rhizomes or woody caudices). <b>Leaves</b> 5–40 × 3–15+ cm, pinnatifid to pinnate, lobes 3–9, narrowly lanceolate to ovate, 1–15 × 0.2–3.5 cm, faces strigose, gland-dotted. <b>Heads</b> mostly 1–12, held well beyond leaves. <b>Peduncles</b> 3–27+ cm (ribs tan, prominent). <b>Phyllaries</b> 10–15, outer linear, 3–15 × 1–3 mm, inner lanceolate-ovate, 3–6 × 0.7–3 mm. <b>Paleae</b> 1.2–5 × 1–1.8 mm, resin glands linear to oblanceolate, 2–3.3 mm. <b>Ray</b> florets 6–15; corollas yellow, 2.5–3.8 mm, tubes ca. 1–3 mm, hirsute, laminae linear-elliptic to oblong-oblanceolate, 16–60 × 4–15 mm. <b>Discs</b> ellipsoid to globular or ovoid, 10–25 × 10–18 mm. <b>Disc</b> florets 100–200+; corollas greenish yellow, often purplish distally, 2.5–3.8 mm; style branches ca. 1.8 mm, proximal 1/2 stigmatic, apices subulate. <b>Cypselae</b> linear-oblanceoloid, 2–4 × 1–2.3 mm, margins usually glabrous, sometimes adaxial ciliate; pappi 0 or of 1–2 toothlike projections. <b>2n</b> = 28.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Oct.
|habitat=Prairies, woodland openings and borders, limestone outcrops
|elevation=10–300 m
|distribution=Ont.;Ala.;Ark.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.Y.;Ohio;Okla.;S.Dak.;Tenn.;Vt.;Wis.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Ratibida pinnata
|authority=(Ventenat) Barnhart
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Rudbeckia pinnata
|family=Asteraceae
|phenology=Flowering May–Oct.
|habitat=Prairies, woodland openings and borders, limestone outcrops
|elevation=10–300 m
|distribution=Ont.;Ala.;Ark.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.Y.;Ohio;Okla.;S.Dak.;Tenn.;Vt.;Wis.
|reference=None
|publication title=Bull. Torrey Bot. Club
|publication year=1897
|special status=Illustrated;Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_139.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae
|genus=Ratibida
|species=Ratibida pinnata
}}<!--

-->[[Category:Treatment]][[Category:Ratibida]]