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Marie Selby Botanical Gardens
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Helianthus debilis subsp. silvestris
Heiser
Family:
Asteraceae
FNA
Resources
Edward E. Schilling in Flora of North America (vol. 21)
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.
2
n
= 34.
Flowering late spring-fall. Open areas , sandy soils with pine and oak; 10-100+ m; Tex.
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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