Oenothera glazioviana
| Oenothera glazioviana | |
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| Species: | O. glazioviana
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| Binomial name | |
| Oenothera glazioviana | |
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Oenothera erythrosepala | |
Oenothera glazioviana is a species of flowering plant in the evening primrose family known by the common names large-flowered evening-primrose[1] and redsepal evening primrose.[2]
The plant can be found in scattered locations worldwide, mostly as an introduced species, and its exact native origins are obscure. It may be a European hybrid of two North American species.
It has long been cultivated as an ornamental plant. In some locations it has become an invasive species.
Description
Oenothera glazioviana is generally a biennial herb producing an erect stem approaching 1.5 metres (4.9 ft) in maximum height. It is roughly hairy in texture, the hairs with reddish blistering or glandular bases. The crinkly leaves are up to 15 centimeters long.
The inflorescence is a showy spike of many large flowers. When in bud the long red sepals are visible. When in bloom each flower has four bright yellow petals up to 5 centimeters long which fade orange to red with age. The fruit is a lance-shaped capsule 2 or 3 centimeters long.
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Oenothera glazioviana -
Oenothera glazioviana -
Video of blooming in real-time
References
- ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17.
- ^ USDA, NRCS (n.d.). "Oenothera glazioviana". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 29 January 2016.
Further reading
- Kachi, Naoki; Hirose, Tadaki (November 1985). "Population Dynamics of Oenothera Glazioviana in a Sand-Dune System with Special Reference to the Adaptive Significance of Size-Dependent Reproduction". Journal of Ecology. 73 (3): 887–901. doi:10.2307/2260155.
- Guo, Pan; Wang, Ting; Liu, Yanli; Xia, Yan; Wang, Guiping; Shen, Zhenguo; Chen, Yahua (January 2014). "Phytostabilization potential of evening primrose (Oenothera glazioviana) for copper-contaminated sites". ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH. 21 (1): 631–640. doi:10.1007/s11356-013-1899-z.
- Rees, Mark; Rose, Karen E. (22 July 2002). "Evolution of Flowering Strategies in Oenothera glazioviana: An Integral Projection Model Approach". Proceedings: Biological Sciences. 269 (1499): 1509–1515. doi:10.1098/rspb.2002.2037.
External links
- GRIN Species Profile: Oenothera glazioviana
- Jepson Manual Treatment
- Oenothera glazioviana — U.C. Photo gallery
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