|Hibiscus trionum flower|
Hibiscus trionum, commonly called flower-of-an-hour, bladder hibiscus, bladder ketmia, bladder weed, flower-of-the-hour, modesty, puarangi, shoofly, and venice mallow, is an annual plant native to the Levant. It has spread throughout southern Europe both as a weed and cultivated as a garden plant. It has been introduced to the United States as an ornamental where it has become naturalized as a weed of cropland and vacant land.
The plant grows to a height of 20–50 centimetres (7.9–19.7 in), sometimes as much as 80 centimetres (31 in), and has white or yellow flowers with a purple centre.
- Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
- Hilty, John (2012). "Flower-of-an-Hour". Illinois Wildflowers. John Hilty. Retrieved August 16, 2012.
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