Characteristics
Dicots
Ageratum houstonianum Mill.
BLUEMINK
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The peduncles and phyllaries are usually stipitate-glandular, although occasionally are glabrous (Johnson 1971). The leaf blades do not have the conspicuous yellow punctate glands like A. conyzoides.
Not Native FACU (NWPL)
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Classification
ASTERALES
Ageratum houstonianum Mill. - BLUEMINK
Citation
AGERATUM HOUSTONIANUM Miller, Gard. Dict., ed. 8. 1768.
**
MEXICO: Veracruz: Without data, Houston s.n. (lectotype: BM). Lectotypified by M. F. Johnson, Ann. Missouri Bot. Gard. 58: 21. 1971.
Species Distribution Map

Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.

Source
Synonyms
Specimens and Distribution

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Plant Photos