Eriogonum visheri

Eriogonum visheri is a species of wild buckwheat known by the common names Dakota wild buckwheat and Visher's buckwheat. It is native to the Great Plains in the United States, where it is known from North Dakota, South Dakota, and Montana. This plant is an annual herb with erect stems growing up to 10 centimeters tall. It is described as "skeletal" or "skeleton-like" in appearance. Leaves around the base of the plant are up to 2.5 centimeters long by 2.5 wide, and leaves higher on the stem are similar but smaller. The stems branch into an inflorescence studded with clusters of small yellowish flowers. Flowering occurs in June through September. The center of the plant's distribution is in South Dakota, and it extends into North Dakota and one county in Montana. The species is protected on the Buffalo Gap National Grassland in South Dakota. It occupied badlands habitat, harsh, sparsely vegetated terrain. It is a pioneer species, growing on bare outcrops unoccupied by any other plants. T......read more on Wikipedia.