Helianthus debilis subsp. silvestris Heiser (redirected from: Helianthus debilis var. silvestris)
Family: Asteraceae
[Helianthus debilis var. silvestris (Heiser) Cronquist]
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Stems erect, glabrate. Leaf blades (6-)8-14 cm, margins serrate, abaxial faces densely gland-dotted. Peduncles (relatively slender) 20-40 cm. Ray laminae 15-23 mm. Discs 14-15(-16) mm diam. 2n = 34.

Flowering late spring-fall. Open areas , sandy soils with pine and oak; 10-100+ m; Tex.