J20160623-0057—Oenothera deltoides ssp howelli—RPBG

Oenothera deltoides ssp. howellii—Antioch Dunes evening primrose. Listed by the State of California as Endangered and by the Federal Government as 'Endangered ', included in the CNPS Inventory of Rare and Endangered Plants on list 1B.1 (rare, threatened, or endangered in CA and elsewhere). What has to be the strangest and least wild wildlife refuge, Antioch Dunes National Wildlife Refuge was established in a former industrial area of Contra Coast County in 1979 to protect this evening primrose and two equally endangered species, Lange's metalmark butterfly (Apodemia mormo langei) and the Contra Costa wallflower (Erysium capitatum var. angustatum). The primrose is also host plant for a rare species of sweat bee (Sphecodogastra antiochensis). Photographed at Regional Parks Botanic Garden located in Tilden Regional Park near Berkeley, CA, where the plant thrives.

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