tearthumb

English
Photograph of a plant.
Polygonum arifolium (Halberdleaf tearthumb)

Wikispecies

Etymology

tear +‎ thumb

Noun

tearthumb (plural tearthumbs)

  1. Any of a group of annual vining plants within the genus Polygonum, with small sharp spines covering the stems.

Further reading

Anagrams
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