familyAsteraceae
genusHelianthus
speciesHelianthus praecox
subspeciesHelianthus praecox subsp. runyonii
Difference between revisions of "Helianthus praecox subsp. runyonii"
Mem. Torrey Bot. Club 22(3): 54. 1969.
Common names: Runyon’s sunflower
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.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae | ||
Revision as of 21:36, 16 December 2019
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
Discussion
Selected References
None.
Lower Taxa
None.