- Pycnanthemum as a noun:
- 1
Pycnanthemum
noun
1 Pycnanthemum
American mountain mint.
synonyms: genus Koellia, genus Pycnanthemum, Koellia.
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noun
American mountain mint.
synonyms: genus Koellia, genus Pycnanthemum, Koellia.
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