Oregon Coyote-thistle, Oregon Eryngo, Rush-leaf Eryngo: Eryngium petiolatum (Synonym: Eryngium petiolatum var. juncifolium)

The photo at left shows a close-up of a bristly leaf and the equally bristly inflorescence of Oregon coyote-thistle as seen at Conboy Lake NWR.........July 16, 2008. The photo at right shows a close-up of the inflorescence of Oregon coyote-thistle as seen at Conboy Lake NWR...........July 16, 2008.

The photo at left shows the inflorescence of Oregon coyote-thistle as seen at Conboy Lake NWR..........July 31, 2008. Note the mass of tiny white flowers crowded together between the sharp bracts. The photo at right shows a close-up of the developing inflorescence of Oregon coyote-thistle as seen at Conboy NWR at the southeastern edge of Mt. Adams..........July 2, 2006.

The photo at left shows another close-up view of the tiny, massed flowers within the inflorescence of Oregon coyote-thistle as seen at Conboy Lake NWR.........July 31, 2008. The photo at right shows Oregon coyote-thistle as seen at Conboy Lake NWR.........July 16, 2008. As can be seen, the plant is covered and protected by numerous sharp bristles.

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The photo at left shows a close-up of a leaf of subtending the developing inflorescence of Oregon coyote-thistle as seen at Conboy NWR at the southeastern edge of Mt. Adams.........July 2, 2006. The photo at center shows a lower stem leaf of Oregon coyote-thistle..........July 2, 2006. Note the spinulose teeth along the leaf margin and the glaucous surface to the blade. The image at right shows coyote thistle as seen at Conboy NWR.........July 9, 2006.

Oregon coyote-thistle with a parasitic dodder (Cuscuta sp.) on it as seen at Conboy Lake NWR.........July 17, 2024. We didn't confirm that the dodder was actually parasitizing the coyote thistle.

Several habitat views of Oregon coyote-thistle as seen at Conboy Lake NWR.........July 17, 2024. Oregon coyote thistle is currently considered a state threatened species in Washington state..