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| May 2009 at roadside |
May 2009 at roadside |
May 2009 at roadside |
| Family | Onagraceae |
| Subfamily | Onagroideae |
| Tribe | Onagreae |
| Scientific name | Oenothera speciosa Nuttall |
| Synonyms | Hartmannia speciosa (Nuttall) Small; Oenothera delessertiana Steudel; Oenothera speciosa Nuttall var. childsii (L. H. Bailey) Munz; Oenothera speciosa Nuttall var. typica Munz; Oenothera tetraptera Cavanilles var. childsii L. H. Bailey; Xylopleurum nuttallii Spach; Xylopleurum speciosum (Nuttall) Raimann |
| Common name | (Japanese common name) hiru-zaki tuki-mi-sou (ヒルザキツキミソウ, 昼咲月見草 [meaning: day flowering moon watch weed]) |
| (English common name) pinkladies, white evening primrose | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] USA, Mexico | |
| Habitat | Field, roadside |
| Chromosomal number | 2n=14, 28, 42 |
| Description | Plants electing 4-130cm tall. Leaves 2.5-9cm long, 0.3-3.2cm wide. Flowers white or pale purple, flowering in May to September. Pelennial plants. |
| Reference | Oenothera speciosa Nutt. |
| Oenothera speciosa Nutt. | |
| Oenothera speciosa Nutt. | |
| Fluorescence microscopy of plastid nucleoids and a survey of nuclease C in higher plants with respect to mode of plastid inheritance | |
| Note | Naturalized plants. |
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| May 2009 at roadside |
May 2009 at roadside |
May 2009 at roadside |
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| May 2009 at roadside |
