Parthenium is a genus of North American annuals, biennials, perennials, subshrubs, and shrubs in the tribe Heliantheae within the family Asteraceae and subfamily Asteroideae. [4][2][3][5]

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]

Parthenium hysterophorus is an aggressive ubiquitous annual herbaceous weed with no economic importance unravelled till now. This erect, ephemeral herb known for its vigorous growth and high fecundity especially in warmer climates is a native of north-east Mexico and is endemic in America.

Feverfew (Tanacetum parthenium) is a plant native to Asia Minor and the Balkans. Feverfew dried leaves, fresh leaves, and extracts are used in medicine.

Parthenium is a vigorous species that colonises weak pastures with sparse ground cover. It will readily colonise disturbed, bare areas along roadsides and heavily stocked areas around yards and watering points. Parthenium can also colonise brigalow, gidgee and softwood scrub soils.

Parthenium integrifolium, commonly called American feverfew or wild quinine, is a clump-forming, Missouri native perennial which occurs in dry soils on prairies, glades and rocky woods. Grows 3-4' tall.

Distribution: Ragweed parthenium is thought to have originated from the area surrounding the Gulf of Mexico and is native to Central and South America (Rollins 1950). Since the 1970s, it has spread extensively and rapidly in many parts of the world (Evans 1997).

This plant blooms in white clusters from May through September. The leaves are aromatic, rough with tiny hairs, and toothed. It grows in prairies, glades, and rocky woods. Site: Margins of deciduous woods, old fields.

Jun 13, 2001 · Parthenium integrifolium L. Plant Symbol = PAIN3 Contributed by: USDA NRCS National Plant Data Center Alternate Names American feverfew, eastern feverfew, eastern parthenium Uses Ethnobotanic: The Catawba and other tribes in the southeastern United States used wild quinine for medicinal and veterinary purposes. The leaves

Parthenium hysterophorus is an annual herb that aggressively colonizes disturbed sites. It is considered as one of the ‘100 most invasive species in the world’ by the IUCN (GISD, 2018).