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FNA | Family List | FNA Vol. 21 | Asteraceae | Helianthus

7a. Helianthus debilis Nuttall subsp. debilis

Beach sunflower

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.

Flowering year round. Coastal dunes; 0–10 m; Fla.


 

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