familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Ecliptinae
genusSilphium
speciesSilphium asteriscus
varietySilphium asteriscus var. simpsonii

Silphium asteriscus var. simpsonii

(Greene) J. A. Clevinger

Novon 14: 275. 2004.

Jennifer A. Clevinger
Endemic
Basionym: Silphium simpsonii Greene Pittonia 4: 44. 1899
Treatment appears in FNA Volume 21. Treatment on page 82. Mentioned on page 81.

Plants 25–110 cm. Leaves: basal persistent; cauline opposite or alternate; faces hirsute, hispid, or scabrous. Paleae puberulent and stipitate-glandular. Ray florets 10–15(–20). Disc florets 85–110.


Phenology: Flowering summer.
Habitat: Roadsides, meadows, open fields
Elevation: 0–200 m

Distribution

V21-191-distribution-map.gif

Ala., Fla., Ga., Miss., S.C.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Silphium asteriscus var. simpsonii"
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Author
Jennifer A. Clevinger +
Authority
(Greene) J. A. Clevinger +
Basionyms
Silphium simpsonii +
Distribution
Ala. +, Fla. +, Ga. +, Miss. +  and S.C. +
Elevation
0–200 m +
Habitat
Roadsides, meadows, open fields +
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 191.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 asteriscus var. simpsonii +
Taxon parent
Silphium asteriscus +
Taxon rank
variety +
Volume
Volume 21 +