Flower of the Hour

Hibiscus trionum L.

Family:     Malvaceae (Mallow family)

Duration:  Annual

Height:     10-60 cm (4-24 in)

Blooming: July - Sept.

Stem: green stems with curved fine hairs lined from between the nodes with spreading branches.

Flowers: the flowers can be ascending or erect with a diameter of 5 cm (2 in). Their petals are a creamy white-yellow with a purple-brown base exposing a deep purple within the flower's cup.  Dark veins run up the translucent calyx.

Leaves: are alternately arranged reaching up to 7.5 cm (3 in) in length. They are deeply lobed in three with shallow lobes in those three.

Comments: The common name comes from its short flowering time, with flowers staying open for only about an hour. Also called Venice mallow.

Etymology: The genus is derived from the ancient Greek botanist and physician, Pedaniu Dioscorides, to which he called the mallow, hibiskos.  


all photos by Nathanael Pilla

Species Present and Exotic
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​Telephone : ​219.879.3564

Email : office@savedunes.org


444 Barker Road

Michigan City, IN., 46360 

The mission of Save the Dunes is to preserve, protect and restore the Indiana dunes and all natural resources in Northwest Indiana’s Lake Michigan Watershed for an enhanced quality of life.

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