Flower-of-an-hour

Hibiscus trionum, commonly known as flower-of-an-hour or bladder ketmia, is an annual flowering plant belonging to the Malvaceae family. Native to the Mediterranean region, it has become naturalized in various parts of the world. Here's a detailed description of Hibiscus trionum:

Description:

Habitat: Flower-of-an-hour is often found in disturbed areas, along roadsides, and in open fields. It can adapt to a variety of soil types.
Growth Form: This plant typically grows as an annual herb, reaching heights of 30 to 90 cm. It has a branching and upright growth habit.
Leaves: The leaves are alternate, three-lobed, and have serrated margins. They are usually hairy and have a rough texture.
Flowers: The flowers are showy and have a unique appearance. They are typically pale yellow with a dark maroon or purple center. Each flower lasts only a few hours, giving rise to the common name "flower-of-an-hour."
Blooming Period: The plant produces flowers throughout the summer, and each flower blooms for a short duration.
Fruit: The fruit is a capsule containing numerous small seeds.

Identification Features:

Three-Lobed Leaves: The leaves are distinctly three-lobed with serrated margins.
Short-Lived Flowers: Each flower lasts only a few hours, leading to the common name "flower-of-an-hour."
Yellow Flowers with Maroon Center: The showy flowers are typically pale yellow with a dark maroon or purple center.

Ecological Role:

Hibiscus trionum attracts pollinators, including bees, butterflies, and other insects.

Cultural Uses:

While not widely cultivated for specific purposes, flower-of-an-hour is sometimes grown for its attractive flowers in gardens.

Invasiveness:

In some regions, Hibiscus trionum can behave as an aggressive weed, particularly in agricultural settings.