Oenothera primiveris
Onagraceae

Height: Up to 4'

Leaves: 4" long and grayish-green. They are pinnatley lobed, hairy and form basal rosettes.

Flowers/Fruit: In bloom February to May. The flowers are yellow when young and orange-red when mature. They are 2" wide and have 4 notched petals forming a cup. They open in the evening and close in the morning.

Form/Habitat: Below 4,500'. Found in dry and open areas.


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