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
Treatment appears in FNA Volume 21. Treatment on page 151. Mentioned on page 143, 150.
Revision as of 20:36, 16 December 2019 by FNA>Volume Importer

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://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/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 +