Helianthus debilis subsp. cucumerifolius

(Torrey & A. Gray) Heiser

Madroño 13: 160. 1956.

Common names: Cucumberleaf sunflower
Endemic
Basionym: Helianthus cucumerifolius Torrey & A. Gray Fl. N. Amer. 2: 319. 1842
Synonyms: Helianthus debilis var. cucumerifolius (Torrey & A. Gray) A. Gray
Treatment appears in FNA Volume 21. Treatment on page 151. Mentioned on page 150.
Revision as of 20:11, 5 November 2020 by imported>Volume Importer
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Stems erect, hispid. Leaf blades 4–9 cm, margins usually shallowly, regularly serrate, abaxial faces sometimes gland-dotted. Peduncles 25–50 cm. Ray laminae (15–)20–30 mm. Discs 16–18(–20) mm diam. 2n = 34.


Phenology: Flowering spring–fall.
Habitat: Open areas, sandy soils
Elevation: 10–100+ m

Distribution

V21-354-distribution-map.gif

Conn., Fla., Ga., La., Md., Mass., Mich., N.H., N.Y., N.C., Pa., R.I., S.C., Tex., Vt., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
Edward E. Schilling +
(Torrey & A. Gray) Heiser +
Helianthus cucumerifolius +
Cucumberleaf sunflower +
Conn. +, Fla. +, Ga. +, La. +, Md. +, Mass. +, Mich. +, N.H. +, N.Y. +, N.C. +, Pa. +, R.I. +, S.C. +, Tex. +, Vt. +, Va. +  and W.Va. +
10–100+ m +
Open areas, sandy soils +
Flowering spring–fall. +
Helianthus debilis var. cucumerifolius +
Helianthus debilis subsp. cucumerifolius +
Helianthus debilis +
subspecies +