Difference between revisions of "Rudbeckia fulgida var. speciosa"
Rhodora 59: 297. 1958.
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|common_names=Showy coneflower | |common_names=Showy coneflower | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Rudbeckia speciosa | |name=Rudbeckia speciosa | ||
|authority=Wenderoth | |authority=Wenderoth | ||
| + | |publication_title=Index Sem. (Marburg). | ||
| + | |publication_place=1828 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|publication year=1958 | |publication year=1958 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_114.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | ||
Revision as of 18:46, 24 September 2019
Stems glabrous or sparsely villous-hirsute (hairs spreading). Leaves: basal blades broadly lanceolate to ovate, 2–6.5 cm wide, lengths to 2 times widths, bases mostly rounded, margins entire or crenate, faces sparsely to moderately hairy; cauline petiolate (proximal) or ± sessile (distal), elliptic to lanceolate (becoming somewhat panduriform distally), not notably smaller distally, bases cuneate, attenuate, or auriculate, margins coarsely serrate to lacerate, faces scabrous to strigose. Phyllaries reflexed, 1–2.2 × 0.2–0.7 cm, glabrous or sparsely hairy. Receptacles 11–18 mm diam.; palea margins ciliate, faces glabrous. Ray florets 12–21; laminae 20–40 mm. 2n = ca. 76.
Phenology: Flowering summer–fall.
Habitat: Mesic open woodlands
Elevation: 30–200 m
Distribution
Ont., Que., Ala., Ark., Conn., Del., Ga., Ill., Ky., Mass., Mich., Mo., N.J., N.Y., Ohio, Pa., Va., W.Va., Wis.
Discussion
Variety speciosa has rarely been introduced in Canada.
Selected References
None.