Same spot as population found in 2022. Around 50 small plants removed. No others found in the area.
Final 2 photos show a side-by-side comparison with native look-alike Daucus pusillus (American wild carrot): Daucus on the left, Oncosiphon (stinknet) on the right.
Seemed to be at th end of its life. Was vibrating its wings and struggling to fly.
Aristolochia wrightii at the entrance of Box Canyon, Florida Mountains, Luna County, New Mexico, 25 Aug 2008.
Found around the ink pond on the cornell college campus in mount vernon iowa.
Temp ~35 degrees F
Totally unsure