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.

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 +