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单词 hydrastis
释义

Hydrastis


hydrastis

(haɪˈdræstɪs) n (Plants) any ranunculaceous plant of the genus Hydrastis, of Japan and E North America, such as goldenseal, having showy foliage and ornamental red fruits[C18: New Latin, from Greek hydro- + -astis, of unknown origin]
Thesaurus
Noun1.Hydrastis - small genus of perennial herbs having rhizomes and palmate leaves and small solitary flowers; of northeastern United States and Japangenus Hydrastismagnoliid dicot genus - genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiospermsbuttercup family, crowfoot family, family Ranunculaceae, Ranunculaceae - a family of Ranunculaceaegolden seal, goldenseal, Hydrastis Canadensis, turmeric root, yellow root - perennial herb of northeastern United States having a thick knotted yellow rootstock and large rounded leaves

Hydrastis


Hydrastis

 

a genus of herbaceous perennial plants of the family Ranunculaceae, sometimes classified in the family Hydrastis. There are two species in the eastern part of North America and in East Asia. Orange root, or golden seal (H. canadensis), is a North American medicinal plant, cultivated in the central part of European USSR and in the Ukraine. When broken, the rhizome is golden yellow; externally, it has traces of dead stems that look like seals. The stem reaches 30 cm. The flowers are single, with a calycine perianth of three greenish white bracts, and there are numerous stamens and pistils. The fruit is red and berry-like. The rhizome contains such alkaloids as hydrastine and berberine, which are used as styptics.

REFERENCE

Atlas lekarstvennykh rastenii SSSR. Moscow, 1962.

T. V. EGOROVA

hydrastis


hy·dras·tis

(hī-dras'tis), The dried rhizome of Hydrastis canadensis (family Ranunculaceae), native to eastern U.S.; formerly used to treat chronic catarrhal states of the mucous membranes and in metrorrhagia. Synonym(s): golden seal, jaundice root, yellow root [Mod. L. fr. G. hydōr (hydro-), water, + draō, to accomplish]

Hydrastis


  • noun

Synonyms for Hydrastis

noun small genus of perennial herbs having rhizomes and palmate leaves and small solitary flowers

Synonyms

  • genus Hydrastis

Related Words

  • magnoliid dicot genus
  • buttercup family
  • crowfoot family
  • family Ranunculaceae
  • Ranunculaceae
  • golden seal
  • goldenseal
  • Hydrastis Canadensis
  • turmeric root
  • yellow root
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更新时间:2024/11/13 20:23:12