Difference between revisions of "Silphium radula var. gracile"
Novon 14: 277. 2004.
Common names: Slender rosinweed
Endemic
Basionym: Silphium gracile A. Gray Proc. Amer. Acad. Arts 8: 653. 1873
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Latest revision as of 20:10, 5 November 2020
Plants 30–100 cm. Basal leaves persistent. Heads to 15. Ray florets 12–18. Disc florets 100–150. 2n = 14.
Phenology: Flowering summer.
Habitat: Prairies, fencerows, roadsides
Elevation: 0–300 m
Discussion
Selected References
None.
Lower Taxa
None.