Hibiscus trionum

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Hibiscus trionum
Hibiscus trionum bgiu 02.jpg
Hibiscus trionum flower
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malvales
Family: Malvaceae
Genus: Hibiscus
Species: H. trionum
Binomial name
Hibiscus trionum
  • Hibiscus dissectus Wall.
  • Hibiscus vesicarius Cav.
  • Ketmia trionum (L.) Scop.
  • Trionum annuum Medik.
  • Trionum trionum (L.) Wooton & Standl.

Hibiscus trionum, commonly called flower-of-an-hour,[2] bladder hibiscus, bladder ketmia,[2] bladder weed, flower-of-the-hour, modesty, puarangi, shoofly, and venice mallow,[2] 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.


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