oenothera macrocarpa Nuttoenothera missouriensis

Name:oenothera macrocarpa Nutt
科:柳叶菜科
Family:onagraceae
属:月见草属
common name:oenothera missouriensis
introduce:English name: ozark sundrops
Dutch name: missouri-teunisbloem
Name in local language:

Origin of plant: south & central north america
Origin of picture: NL utrecht uithof
Flowering time: 7
Flowering color: yellow