Compilation
Helianthus cucumerifolius

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Name

Identification
Helianthus debilis Nuttall [family ASTERACEAE ] (stored under name); Verified by C. B. Heiser, 1954 Isotype of Helianthus cucumerifolius Torrey & A. Gray [family ASTERACEAE ] Verified by Torrey & A. Gray, 1842 Helianthus cucumerifolius Torrey & A. Gray [family ASTERACEAE ] Verified by Not on Sheet, Helianthus debilis Nuttall [family ASTERACEAE ] Verified by Not on Sheet,
Related name
  • Helianthus debilis
  • Helianthus cucumerifolius
Common name
  • Cucumberleaf sunflower, Flora of North America Vol. 21

Flora

Entry for Helianthus debilis Nuttall subsp. cucumerifolius (Torrey & A. Gray) Heiser [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 21,
Names
Helianthus debilis Nuttall subsp. cucumerifolius (Torrey & A. Gray) Heiser [family COMPOSITAE], Madroño, 13: 160. 1956
Helianthus cucumerifolius Torrey & A. Gray [family COMPOSITAE], Fl. N. Amer., 2: 319. 1842
Helianthus debilis var. cucumerifolius (Torrey & A. Gray) A. Gray [family COMPOSITAE]
Treatment Author(s)
Edward E. Schilling
Information
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
mar-may (spring), jun-aug (summer), sep-nov (fall)
Altitude range
10–100+ m;
Distribution
USA Conn.USA Fla.USA Ga.USA La.USA Md.USA Mass.USA Mich.USA N.H.USA N.Y.USA N.C.USA Pa.USA R.I.USA S.C.USA Tex.USA Vt.USA Va.USA W.Va.

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