Ageratum houstonianum

Characteristics
Dicots
ASTERACEAE
Ageratum
Ageratum houstonianum Mill.
BLUEMINK
**
**
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)
** Not applicable or data not available.
Classification
-
ASTERALES
Ageratum
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.
** Not applicable or data not available.
Species Distribution Map
Plant Photos
Ageratum houstonianum - 258
Ageratum houstonianum - Roger Hammer View Full Size
Ageratum houstonianum - 200
Ageratum houstonianum - Matthew Merritt View Full Size
Ageratum houstonianum - 91
Ageratum houstonianum - Gilbert Fitzgerald View Full Size
Ageratum houstonianum - 159
Ageratum houstonianum - Keith Bradley View Full Size
Ageratum houstonianum - 159
Ageratum houstonianum - Keith Bradley View Full Size