Leaves: Oenothera curtiflora. ~ By William and Linda Steere and the C.V. Starr Virtual Herbarium. ~ Copyright &#169; 2019 William and Linda Steere and the C.V. Starr Virtual Herbarium. ~ Barbara Thiers, Director; bthiers[at]nybg.org ~ C.V. Starr Herbarium - NY Botanical Gardens
