View source for Rudbeckia nitida

{{Treatment/ID
|accepted_name=Rudbeckia nitida
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=J. Acad. Nat. Sci. Philadelphia
|place=7: 78. 1834
|year=1834
}}
|common_names=Shiny coneflower;St. John’s or black-eyed Susan
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Rudbeckia glabra
|authority=de Candolle
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae;Rudbeckia;Rudbeckia sect. Macrocline;Rudbeckia nitida
|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>[[Rudbeckia]]</div><div class="higher-taxon"><small>section</small>[[Rudbeckia sect. Macrocline]]</div><div class="higher-taxon"><small>species</small>[[Rudbeckia nitida]]</div></div>
|volume=Volume 21
|mention_page=page 47
|treatment_page=page 51
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> to 140 cm (rhizomatous, roots fibrous). <b>Leaves</b> green (lightly glaucous), blades elliptic to lanceolate (not lobed), leathery, bases attenuate to cuneate, margins crenate, entire, or toothed, apices acute, faces glabrous or sparsely hairy; basal petiolate, 15–60 × 2–8 cm; cauline petiolate or sessile, 5–50 × 2–9 cm. <b>Heads</b> borne singly or in ± corymbiform arrays. <b>Phyllaries</b> to 2 cm (margins sometimes ciliate, sparsely hairy). <b>Receptacles</b> ovate to columnar; paleae (recurved prior to flowering, erect to spreading in young heads) 5–6 mm, apices acute to acuminate, abaxial tips hairy. <b>Ray</b> florets 8–15; laminae oblong to oblanceolate, 12–60 × 5–15 mm, abaxially sparsely hairy. <b>Discs</b> 10–30 × 12–20 mm. <b>Disc</b> florets 200–300+; corollas yellowish green proximally, maroon distally, 3.5–4.5 mm; style branches ca. 1.2 mm, apices acute to acuminate. <b>Cypselae</b> 3–5.5 mm; pappi ± coroniform, to 2 mm. <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–summer.
|habitat=Wet pinelands, swales, ditches, bayous
|elevation=0–40 m
|distribution=Fla.;Ga.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Rudbeckia nitida</i> grows in northern Florida and southern Georgia (a report for Alabama has not been confirmed). It is cultivated as an ornamental. According to R. Kral (1983), it is threatened or endangered and is associated with savanna or bog dicots and monocots, particularly <i>Eriocaulon</i>, <i>Sarracenia</i>, <i>Lachnocaulon</i>, Rhexia, <i>Xyris</i>, and the composites <i>Coreopsis</i>, <i>Helianthus</i>, and <i>Liatris</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Rudbeckia nitida
|author=
|authority=Nuttall
|rank=species
|parent rank=section
|synonyms=Rudbeckia glabra
|basionyms=
|family=Asteraceae
|phenology=Flowering spring–summer.
|habitat=Wet pinelands, swales, ditches, bayous
|elevation=0–40 m
|distribution=Fla.;Ga.
|reference=None
|publication title=J. Acad. Nat. Sci. Philadelphia
|publication year=1834
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_104.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae
|genus=Rudbeckia
|section=Rudbeckia sect. Macrocline
|species=Rudbeckia nitida
}}<!--

-->[[Category:Treatment]][[Category:Rudbeckia sect. Macrocline]]