familyAsteraceae
genusHelianthus
speciesHelianthus debilis
subspeciesHelianthus debilis subsp. silvestris
Difference between revisions of "Helianthus debilis subsp. silvestris"
Madroño 13: 158, fig. 6. 1956.
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Revision as of 18:48, 24 September 2019
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.
Phenology: Flowering late spring–fall.
Habitat: Open areas, sandy soils with pine and oak
Elevation: 10–100+ m
Discussion
Selected References
None.
Lower Taxa
None.