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8b. Helianthus praecox Engelmann & A. Gray subsp. runyonii (Heiser) Heiser, Mem. Torrey Bot. Club. 22(3): 54. 1969.
Runyon’s sunflower
Helianthus debilis Nuttall subsp. runyonii Heiser, Madroño 13: 161, fig. 7. 1956; H. praecox var. runyonii (Heiser) B. L. Turner
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.
Flowering spring–fall. Coastal prairies; 0–20+ m; Tex.
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