familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Helianthinae
genusHelianthus
speciesHelianthus debilis
subspeciesHelianthus debilis subsp. silvestris

Helianthus debilis subsp. silvestris

Heiser

Madroño 13: 158, fig. 6. 1956.

Edward E. Schilling
Treatment appears in FNA Volume 21. Treatment on page 151. Mentioned on page 150.
Revision as of 15:34, 18 September 2019 by FNA>Volume Importer

Stems erect, glabrate. Leaf blades (6–)8–14 cm, margins serrate, abaxial faces densely gland-dotted. Peduncles (relatively slender) 20–40 cm. Ray laminae 15–23 mm. Discs 14–15(–16) mm diam. 2n = 34.


Phenology: Flowering late spring–fall.
Habitat: Open areas, sandy soils with pine and oak
Elevation: 10–100+ m

Distribution

V21-352-distribution-map.gif

Tex.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Helianthus debilis subsp. silvestris"
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Author
Edward E. Schilling +
Authority
Heiser +
Distribution
Tex. +
Elevation
10–100+ m +
Habitat
Open areas, sandy soils with pine and oak +
Illustration copyright
Flora of North America Association +
Illustrator
Marjorie C. Leggitt +
Number of lower taxa
0 +
Phenology
Flowering late spring–fall. +
Publication title
Madroño +
Publication year
1956 +
Reference
None +
Source xml
https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse grained fna xml/V19-20-21/V21 352.xml +
Special status
Endemic +
Synonyms
Undefined (tribe Undefined) subtribe Lagasceinae +
Taxon family
Asteraceae +
Taxon name
Helianthus debilis subsp. silvestris +
Taxon parent
Helianthus debilis +
Taxon rank
subspecies +
Volume
Volume 21 +