silkweed

from WordNet (r) 3.0 (2006)
silkweed
    n 1: any of numerous plants of the genus Asclepias having milky
         juice and pods that split open releasing seeds with downy
         tufts [syn: {milkweed}, {silkweed}]
    
from The Collaborative International Dictionary of English v.0.48
Silkweed \Silk"weed`\, n. (Bot.)
   Any plant of the genera {Asclepias} and {Acerates} whose seed
   vessels contain a long, silky down; milkweed.
   [1913 Webster]
    

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