Heterotheca subaxillaris

A tall, viscid Heterotheca common along streams and rivers in western New Mexico.

A flowering plant in the Gila River floodplain near the entrance to Mogollon Box, 23 Sep 2007.



Pseudanthia, on the main ridge of the Big Burro Mountains, 22 Sep 2007.



Unopened pseudanthium showing the prominently glandular phyllaries, Big Burro Mountains, 22 Sep 2007.



A pseudanthium cut open to show immature achenes, Big Burro Mountains, 22 Sep 2007.



Achenes and receptacle, Gila River floodplain, 23 Sep 2007.



A cauline leaf in the Big Burro Mountains, 22 Sep 2007.

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