Difference between revisions of "Rudbeckia auriculata"
Rhodora 77: 49. 1975.
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|common_names=Alabama or eared coneflower | |common_names=Alabama or eared coneflower | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Rudbeckia fulgida var. auriculata | |name=Rudbeckia fulgida var. auriculata | ||
|authority=Perdue | |authority=Perdue | ||
| + | |rank=variety | ||
| + | |publication_title=Rhodora | ||
| + | |publication_place=63: 119. 1961 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Rudbeckia auriculata | name=Rudbeckia auriculata | ||
| − | |||
|authority=(Perdue) Kral | |authority=(Perdue) Kral | ||
|rank=species | |rank=species | ||
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|publication title=Rhodora | |publication title=Rhodora | ||
|publication year=1975 | |publication year=1975 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_91.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | ||
Latest revision as of 20:15, 5 November 2020
Perennials, to 300 cm (rhizomatous, roots fibrous). Leaves green, oblong to elliptic or ovate to pandurate, herbaceous, margins crenate, dentate, entire or serrate, apices acute, faces scabrous, abaxial often glabrescent; basal petiolate, 20–65 × 8–20 cm, bases attenuate; cauline sessile, 15–40 × 4–15 cm, bases auriculate to truncate. Heads (usually 10+) in paniculiform arrays. Phyllaries to 1 cm. Receptacles conic to ovoid; paleae 4–6 mm, apices obtuse to acute, abaxial tips hairy. Ray florets 8–14; laminae oblanceolate, 18–30 × 4–8 mm, abaxially sparsely hairy. Discs 12–16 × 10–18 mm. Disc florets 150–200; corollas brown-purple, 3.5–4.2 mm; anther appendages glabrous or gland-dotted; style branches to ca. 1.8 mm, apices acute to obtuse. Cypselae 3.5–5 mm; pappi of 4–6, unequal scales, to 2 mm. 2n = 36.
Phenology: Flowering summer–fall.
Habitat: Sandy stream banks, wet roadsides
Elevation: 10–90 m
Distribution
Ala., Fla., Ga.
Discussion
Of conservation concern.
Rudbeckia auriculata is known from eight sites in Alabama, one in Florida, and one in Georgia.
Selected References
None.