Oenothera biennis L. (As per efi thread: 1. In Oenothera glazioviana Petals are much larger 3-5cm long while in Oenothera biennis petals are only upto 2.5cm long. 2. These plants are much taller upto 6 feets and according to FOC stem is upto 150cm in O. glazioviana while plants are much longer upto 200cm in O. biennis. 3. Stigma is surrounded by anthers in O. biennis)
Binomial | Habit | Notes | Ref. | Distrib. |
Oenothera biennis L. |
Herb | Western Ghats, Evergreen Forests, Cultivated, Native of Temperate America |
Flora of Tamil Nadu, VOL. I, 1983 |
Dindigul, Nilgiri |
Oenothera glazioviana Mich. | Herb | Western Ghats, Evergreen Forests, Cultivated, Native of Temperate America |
Flora of Tamil Nadu, VOL. I, 1983 |
Nilgiri |
Oenothera nocturna Jacq. | Herb | Western Ghats, Evergreen Forests, Cultivated, Native of Temperate America |
Flora of Tamil Nadu, VOL. I, 1983 |
Nilgiri |
Oenothera odorata Jacq. | Herb | Western Ghats, Evergreen Forests, Cultivated, Native of Temperate America |
Flora of Tamil Nadu, VOL. I, 1983 |
Dindigul |
Oenothera rosea Ait. | Herb | Western Ghats, Evergreen Forests, Cultivated, Native of Tropical America |
Flora of Tamil Nadu, VOL. I, 1983 |
Dindigul, Theni |
Oenothera stricta Ledeb. | Herb | Western Ghats, Evergreen Forests, Cultivated, Native of Tropical America |
Matthew, 1999 |
Dindigul |
Oenothera tetraptera Cav. | Herb | Western Ghats & Eastern Ghats, Cultivated, Native of Tropical America |
Flora of Tamil Nadu, VOL. I, 1983 |
Dindigul, Nilgiri, Salem |
Species with description & pictures in Flowers of India as on 18.8.16:
Oenothera biennis | Onagraceae | Evening Primrose | |
Oenothera elata ssp. hookeri | Oenothera biennis var. hookeri, Oenothera hookeri | Onagraceae | Hooker’s Evening Primrose |
Oenothera glazioviana | Oenothera erythrosepala, Oenothera gigas, Oenothera blandina | Onagraceae | Redsepal Evening Primrose |
Oenothera rosea | Onagraceae | Pink Evening Primrose |
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glazioviana M. Micheli (1200-2300 m; Originated in Europe; widely naturalised in temperate Asia and N. America)
Oenothera rosea L’Her. ex Aiton (1100-2500 m; Native of Peru; widely naturalised in Europe, Himalaya, India, Burma)
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Pl. go through Oenothera (Onagraceae) page with images of species in efloraofindia.
If you find any incorrect identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, or can identify unidentified images, it will be really nice.