Helianthus petiolaris

A common plant along roadsides, also occurring in grasslands.

A pseudanthium at Mesilla Bosque State Park, 16 Aug 2008.



Stem with immature pseudanthia, Mesilla Bosque State Park, 16 Aug 2008.



Phyllaries, Mesilla Bosque State Park, 16 Aug 2008.



A pseudanthium in the Mangas Mts., 8/27/05.



Plant habit in the Mangas Mts., 8/27/05.



A cauline leaf in the Mangas Mts., 8/27/05.

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