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

Helianthus debilis subsp. debilis

Edward E. Schilling
Common names: Beach sunflower
Endemic
Treatment appears in FNA Volume 21. Treatment on page 151. Mentioned on page 143, 150.

Stems decumbent, glabrous or puberulent. Leaf blades 3–10 cm, margins serrulate or shallowly, regularly serrate, abaxial faces sparsely, if at all, gland-dotted. Peduncles 10–20(–22) cm. Ray laminae 12–20 mm. Discs 11–14 mm diam. 2n = 34.


Phenology: Flowering year round.
Habitat: Coastal dunes
Elevation: 0–10 m

Distribution

V21-350-distribution-map.gif

Fla.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Helianthus debilis subsp. debilis"
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Author
Edward E. Schilling +
Authority
Nuttall +
Common name
Beach sunflower +
Distribution
Fla. +
Elevation
0–10 m +
Habitat
Coastal dunes +
Illustration copyright
Flora of North America Association +
Illustrator
Marjorie C. Leggitt +
Number of lower taxa
0 +
Phenology
Flowering year round. +
Publication title
Trans. Amer. Philos. Soc., n. s. +
Publication year
1841 +
Reference
None +
Source xml
https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse grained fna xml/V19-20-21/V21 350.xml +
Special status
Endemic +
Synonyms
Undefined (tribe Undefined) subtribe Lagasceinae +
Taxon family
Asteraceae +
Taxon name
Helianthus debilis subsp. debilis +
Taxon parent
Helianthus debilis +
Taxon rank
subspecies +
Volume
Volume 21 +