familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Ecliptinae
genusSilphium
speciesSilphium radula
varietySilphium radula var. gracile

Silphium radula var. gracile

(A. Gray) J. A. Clevinger

Novon 14: 277. 2004.

Jennifer A. Clevinger
Common names: Slender rosinweed
Endemic
Basionym: Silphium gracile A. Gray Proc. Amer. Acad. Arts 8: 653. 1873
Treatment appears in FNA Volume 21. Treatment on page 81. Mentioned on page 80.
Revision as of 21:10, 5 November 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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

Distribution

V21-184-distribution-map.gif

La., Tex.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Silphium radula var. gracile"
RDF feed
Author
Jennifer A. Clevinger +
Authority
(A. Gray) J. A. Clevinger +
Basionyms
Silphium gracile +
Common name
Slender rosinweed +
Distribution
La. +  and Tex. +
Elevation
0–300 m +
Habitat
Prairies, fencerows, roadsides +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Number of lower taxa
0 +
Phenology
Flowering summer. +
Publication title
Novon +
Publication year
2004 +
Reference
None +
Source xml
https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse grained fna xml/V19-20-21/V21 184.xml +
Special status
Endemic +
Synonyms
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Taxon family
Asteraceae +
Taxon name
Silphium radula var. gracile +
Taxon parent
Silphium radula +
Taxon rank
variety +
Volume
Volume 21 +