Class and Order.
Syngenesia Polygamia Frustranea.
Recept. paleaceum, planum. Pappus 2-phyllus. Cal. imbricatus, subsquarrosus.
Specific Character and Synonyms.
HELIANTHUS multiflorus foliis inferioribus cordatis trinervatis superioribus ovatis. Linn. Syst. Vegetab. ed. 14. Murr. p. 781.
americanum majus perenne, floris folis foliis et floribus. Moris. Hist. 3. p. 23.
The Helianthus multiflorus, a native of North-America, is a hardy perennial herbaceous plant, arising usually to the height of five or six feet, and producing a great number of large yellow shewy blossoms, which renders it a suitable plant to ornament the shrubbery or garden of large extent; the variety with double flowers is the one most commonly cultivated, and this we find in almost every garden: it flowers from July to September, and is propagated by parting its roots in autumn.
This is a hardy plant, of ready growth, will bear the smoke of London better than many others; if it continues in the same spot for a great number of years, the blossoms are apt to become single.
The single sort, according to Morison, was introduced before 1699 by Lord Lemster. Ait. Kew.
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