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.

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. It is used in traditional medicine.

2018年5月30日 · The poisonous Parthenium hysterophorus plant is one of the world’s most destructive invasive plant species, threatening biodiversity, food security and human health across numerous countries. The herb is native to Central and South America but has spread to over 40 countries over recent decades including Australia, India, Ethiopia, Swaziland ...

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.