Hibiscus trionum indiana dunes.JPG

Flower of the Hour

Hibiscus trionum L.

Family:     Malvaceae (Mallow family)

Duration:  Annual

Height:     10-60 cm (4-24 in)

Blooming: July - Sept.

Hibiscus trionum indiana dunes.JPG

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