Helianthus grosse-serratus
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Describe the plant here...
Standard Cyclopedia of Horticulture |
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Helianthus grosse-serratus, Mart. St. 6-10 ft. high, very smooth, glaucous, the smaller branches strigose: lvs. long-lanceolate, slender-petioled, rough above, densely hairy or canescent beneath: fls. many, cymose, 1-3 in. broad; rays 10-20, deep yellow. Aug.-Oct. N. Y. and Pa. to Mo., south to Texas.—Passes into H. giqanteus.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Helianthus grosse-serratus. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
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