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Photographed along the creek in the park near the HQ.
Bright yellow with a star shaped stem in the middle.
Spotted this one on a trail near a road.
Our best guess.
Oenothera elata is a plant of the genus Oenothera known by the common name Hooker's evening primrose. Its subspecies include hookeri, hirsutissima and elata. It is native to much of western and central North America.
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