Scoliopus hallii explained

Scoliopus hallii, the Oregon fetid adderstongue, is a plant species endemic to western Oregon.[1] It is closely related to the California fetid adderstongue, Scoliopus bigelovii, but has yellow flowers with thin purple stripes rather than the purple flowers with yellow stripes as in S. bigelovii[2]

Notes and References

  1. http://bonap.net/MapGallery/County/Scoliopus%20hallii.png Biota of North America Project
  2. https://www.biodiversitylibrary.org/page/8714565#page/282/mode/1up Watson, Sereno. 1879. Proceedings of the American Academy of Arts and Sciences 14: 272