Difference between revisions of "Silphium integrifolium var. laeve"
Fl. N. Amer. 2: 279. 1842.
Basionym: Silphium speciosum Nuttall
Treatment appears in FNA Volume 21. Treatment on page 80.
FNA>Volume Importer |
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Revision as of 01:55, 27 July 2019
Plants 100–150 cm. Leaves: blades glabrous. Phyllaries: abaxial faces glabrous. Ray florets 20–36+. Disc florets 130–225. 2n = 14.
Phenology: Flowering mid summer–early fall.
Habitat: Prairies, along roads and railroads
Elevation: 100–600 m
Distribution
Ont., Ark., Iowa, Kans., Mo., Nebr., N.Mex., Okla., Tex., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.