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frostweed

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frostweed


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Frostweed  \Frost"weed`\,  n.  (Bot.) 
  An  American  species  of  rockrose  ({Helianthemum  Canadense}), 
  sometimes  used  in  medicine  as  an  astringent  or  aromatic 
  tonic. 
 
  Note:  It  has  large  yellow  flowers  which  are  often  sterile, 
  and  later  it  has  abundant  but  inconspicuous  flowers 
  which  bear  seed.  It  is  so  called  because  late  in 
  autumn,  crystals  of  ice  shoot  from  the  cracked  bark  at 
  the  root;  --  called  also  frostwort. 
 
  From  WordNet  r  1.6  [wn]: 
 
  frostweed 
  n  1:  perennial  of  the  eastern  United  States  having  early  solitary 
  yellow  flowers  followed  by  late  petalless  flowers; 
  so-called  because  ice  crystals  form  on  it  during  first 
  frosts  [syn:  {frostwort},  {Helianthemum  canadense},  {Crocanthemum 
  canadensei}] 
  2:  tall  perennial  herb  having  clusters  of  white  flowers;  the 
  eastern  United  States  [syn:  {Virginia  crownbeard},  {Verbesina 
  virginica}] 




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