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Tanacetum parthenium, known as feverfew, [1] is a flowering plant in the daisy family, Asteraceae. It may be grown as an ornament , and may be identified by its synonyms, Chrysanthemum parthenium and Pyrethrum parthenium .
Parthenium integrifolium is a species of flowering plant in the family Asteraceae known by the common names wild quinine, American feverfew, and eastern feverfew. It is native to the eastern and midwestern United States.
Parthenium hysterophorus is a species of flowering plant in the family Asteraceae. It is native to the American tropics. [1] Common names include Santa-Maria, [2] Santa Maria feverfew, [3] whitetop weed, [4] and famine weed. [5] In India, it is locally known as carrot grass, congress grass [6] or gajar ghas or dhanura. [7]
Members of the genus are commonly known as feverfew. [9] Notable species include guayule ( P. argentatum ) which has been used as a rubber substitute, especially during the Second World War; [ 10 ] and also P. hysterophorus , a serious invasive species in the Old World .
Parthenium alpinum is a species of flowering plant in the aster family known by the common names alpine feverfew and Wyoming feverfew. It is native to Wyoming, Colorado, and New Mexico in the United States. [1] This is a small, mat-forming, long-lived perennial herb with gray-green, hairy leaves and solitary flower heads.
Tanacetum is a genus of about 160 species of flowering plants in the aster family, Asteraceae, native to many regions of the Northern Hemisphere. [5] They are known commonly as tansies. [4] [5] [6] The name tansy can refer specifically to Tanacetum vulgare, which may be called the common tansy or garden tansy for clarity. [6]
The sizes of plant genera vary widely from those containing a single species to genera containing thousands of species, and this disparity became clear early in the history of plant classification. The largest genus in Carl Linnaeus ' seminal Species Plantarum was Euphorbia , with 56 species; Linnaeus believed that no genus should contain more ...
Parthenolide is a sesquiterpene lactone of the germacranolide class which occurs naturally in the plant feverfew (Tanacetum parthenium), after which it is named, and in the closely related tansy (Tanacetum vulgare). [1] It is found in highest concentration in the flowers and fruit.