Oenothera pubescens Willd. ex Spreng.

A low-growing, yellow-flowered Oenothera with lobed lower cauline leaves. Found in the U.S. from central New Mexico to southeastern California.

A flower on Signal Peak road near the lookout, Pinos Altos Range, Grant Co., New Mexico, 30 Aug 2009. This species is apparently strongly protandrous; seen here, the rather large & waxy-looking stigma is open and presumably receptive, while the anthers are withered.

A flower at Barfoot Park, Chiricahua Mountains, Cochise County, Arizona, 18 Sep 2010. In this flower, the anthers are releasing pollen, but the four branches of the stigma are appressed to each other and presumably not yet receptive.

A nodding flower bud on Signal Peak Road, 30 Aug 2009.

An immature fruit on Signal Peak Road, 30 Aug 2009.

Side view of flowers at Barfoot Park, 18 Sep 2010.

An immature fruit at Barfoot Park, 18 Sep 2010.

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