| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 3,922,686,341 visitors served. |
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Aconite |
Also found in: Dictionary/thesaurus, Medical, Wikipedia | 0.01 sec. |
|
|
aconite (ăk`ənīt), monkshood, or wolfsbane, any of several species of the genus Aconitum of the family Ranunculaceae (buttercup buttercup or crowfoot, common name for the Ranunculaceae, a family of chiefly annual or perennial herbs of cool regions of the Northern Hemisphere.
..... Click the link for more information. family), hardy perennial plants of the north temperate zone, growing wild or cultivated for ornamental or medicinal purposes. They contain violent poisons that were recognized from early times and were mentioned by Shakespeare (2 King Henry IV, iv:4); more recently they have been used medicinally in a liniment, tincture, and drug, and in India on spears and arrows for hunting. The drug aconite, the active principle of which is the alkaloid aconitine, is used as a sedative, e.g., for neuralgia and rheumatism, and is obtained from A. napellus. Aconites are erect or trailing, with deeply cut leaves and, in late summer and fall, hooded showy flowers of blue, yellow, purple, or white. The name wolfsbane derives from an old superstition that the plant repelled werewolves. Winter aconite is a name for plants of the genus Eranthis, wild or garden perennials of the same family. Aconites are classified in the division Magnoliophyta Magnoliophyta , 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). ..... Click the link for more information. , class Magnoliopsida, order Ranunculales, family Ranunculaceae. aconiteAny member of two genera of perennial herbaceous plants of the buttercup family: Aconitum (monkshood or wolfsbane), consisting of summer-flowering poisonous plants, and Eranthis (winter aconite), consisting of spring-flowering ornamentals. The dried tuberous root of A. napellus was formerly used as a sedative and a painkiller. aconite, aconitum 1. any of various N temperate plants of the ranunculaceous genus Aconitum, such as monkshood and wolfsbane, many of which are poisonous 2. the dried poisonous root of many of these plants, sometimes used as an antipyretic aconite [′ak·ə‚nīt] (botany) Any plant of the genusAconitum. Also known as friar's cowl; monkshood; mousebane; wolfsbane. (pharmacology) A toxic drug obtained from the dried tuberous root ofAconitum napellus;the principal alkaloid is aconitine. Aconite (Aconitum), monkshood, a genus of perennial herbaceous plants of the family Ranunculaceae. Roots are tuberous and thickened; leaves palmate-incised or palmate-compound; flowers yellow, blue, or violet, rarely white, arranged in a more or less thick apical raceme. The calyx consists of five petaloid colored bracts. The upper bract resembles a helmet covering two nectaries (modified petals). About 300 species grow in the northern hemisphere, about 75 of these in the USSR. Most of the aconite species are poisonous; they contain alkaloids such as aconitine and zongorine. Many aconite species are cultivated as ornamentals. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
|
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup |
|---|