asperula : Idioms & Phrases
asperula odorata
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noun Old World fragrant stoloniferous perennial having small white flowers and narrow leaves used as flavoring and in sachets; widely cultivated as a ground cover; in some classifications placed in genus Asperula
waldmeister; sweet woodruff; woodruff; fragrant bedstraw; Galium odoratum.
WordNet
asperula tinctoria
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noun creeping European perennial having red or pinkish-white flowers and red roots sometimes used as a substitute for madder in dyeing
dyer's woodruff.
WordNet
genus asperula
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noun woodruff
Asperula.