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单词 white snakeroot
释义

white snakeroot


white snakeroot

n. A poisonous eastern North American plant (Ageratina altissima) in the composite family, having opposite, heart-shaped leaves and flat-topped clusters of small white flower heads.
Thesaurus
Noun1.white snakeroot - American herb having flat-topped clusters of small white flower headswhite snakeroot - American herb having flat-topped clusters of small white flower heads; reputedly a cause of trembles and milk sickness; sometimes placed in genus EupatoriumAgeratina altissima, Eupatorium rugosum, white sanicleAgeratina, genus Ageratina - annual to perennial herbs or shrubs of eastern United States and Central and South Americaherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

white snakeroot


white snakeroot,

North American woods perennial (Eupatorium urticifolium) of the family Asteraceae (asteraster
[Gr.,=star], common name for the Asteraceae (Compositae), the aster family, in North America, name for plants of the genus Aster, sometimes called wild asters, and for a related plant more correctly called China aster (Callistephus chinensis
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 family), having a flat-topped cluster of small white flowers. It is of the same genus as the bonesetboneset
or thoroughwort
, perennial North American herb (Eupatorium perfoliatum) of the family Asteraceae (aster family), having terminal clusters of small, chiefly white blossoms.
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 and joe-pye weedjoe-pye weed
, name for a tall North American plant (Eupatorium purpureum) of the family Asteraceae (aster family), having small, usually pinkish-purple blossoms in large terminal clusters.
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. The herbage contains tremetol, a toxic principle causing "milk sickness," or milk fever. White snakeroot is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Asterales, family Asteraceae.

white snakeroot


white snakeroot

A perennial herb (Eupatorium rugosum Houtt) that contains the toxin tremetol and was once thought to be useful as a remedy for snakebites. The tremetol causes trembles in animals and milk sickness in humans. See: milk sickness; trembles; tremetolSee also: snakeroot

white snakeroot


Related to white snakeroot: water hemlock, Eupatorium rugosum, Manchineel tree
  • noun

Synonyms for white snakeroot

noun American herb having flat-topped clusters of small white flower heads

Synonyms

  • Ageratina altissima
  • Eupatorium rugosum
  • white sanicle

Related Words

  • Ageratina
  • genus Ageratina
  • herb
  • herbaceous plant
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更新时间:2024/11/14 17:53:34