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

Helianthus praecox subsp. runyonii

(Heiser) Heiser

Mem. Torrey Bot. Club 22(3): 54. 1969.

Edward E. Schilling
Common names: Runyon’s sunflower
Endemic
Basionym: Helianthus debilis subsp. runyonii Heiser Madroño 13: 161, fig. 7. 1956
Synonyms: Helianthus praecox var. runyonii (Heiser) B. L. Turner
Treatment appears in FNA Volume 21. Treatment on page 152.

Stems erect, branches ascending, moderately hirsute. Leaves (larger) 3–7.5(–8) cm. Peduncles 20–30(–35) cm. Phyllary apices short-attenuate. Paleae: middle teeth white-villous (“bearded”). Rays 11–13(–14). 2n = 34.


Phenology: Flowering spring–fall.
Habitat: Coastal prairies
Elevation: 0–20+ m

Distribution

V21-357-distribution-map.gif

Tex.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Helianthus praecox subsp. runyonii"
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Author
Edward E. Schilling +
Authority
(Heiser) Heiser +
Basionyms
Helianthus debilis subsp. runyonii +
Common name
Runyon’s sunflower +
Distribution
Tex. +
Elevation
0–20+ m +
Habitat
Coastal prairies +
Illustration copyright
Flora of North America Association +
Illustrator
Marjorie C. Leggitt +
Number of lower taxa
0 +
Phenology
Flowering spring–fall. +
Publication title
Mem. Torrey Bot. Club +
Publication year
1969 +
Reference
None +
Source xml
https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse grained fna xml/V19-20-21/V21 357.xml +
Special status
Endemic +
Synonyms
Helianthus praecox var. runyonii +
Taxon family
Asteraceae +
Taxon name
Helianthus praecox subsp. runyonii +
Taxon parent
Helianthus praecox +
Taxon rank
subspecies +
Volume
Volume 21 +