Difference between revisions of "Rudbeckia laciniata var. ampla"
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 5: 280. 1955.
Common names: Rocky Mountain cutleaf coneflower
Basionym: Rudbeckia ampla A. Nelson Bull. Torrey Bot. Club 28: 234. 1901
Treatment appears in FNA Volume 21. Treatment on page 49.
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|publication year=1955 | |publication year=1955 | ||
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| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_96.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | ||
Revision as of 21:41, 16 December 2019
Leaves: basal 20–50 × 10–25 cm, blades pinnately compound to pinnatifid (basal leaflets or lobes often pinnatifid); proximal and mid cauline blades 5–9-lobed; adaxial faces glabrous or sparsely hairy (hairs arching, 1-seriate). Receptacles ovoid; paleae 4.5–6.5 mm. Ray laminae 25–50 × 7–12 mm. Discs (17–)20–30 × 12–20 mm. Cypselae 4–5.5 mm; pappi mostly longer than 0.7 mm. 2n = 38.
Phenology: Flowering summer–fall.
Habitat: Wet sites, along streams, open meadows
Elevation: 1700–2700 m
Distribution
B.C., Ariz., Colo., Mont., N.Mex., S.Dak., Wyo.
Discussion
Variety ampla grows west of the Great Plains. It is introduced in British Columbia.
Selected References
None.
Lower Taxa
None.