Yucca glauca (Soapweed Yucca, Soapweed, Great Plains Yucca)

Yucca glauca (Soapweed Yucca, Soapweed, Great Plains Yucca) is a perennial evergreen plant native to North America, specifically found in the Great Plains region of the United States and Canada. It belongs to the Asparagaceae family and can grow up to 1-2 meters in height. 

The leaves of Yucca glauca are long, narrow, and pointed, with a bluish-green color and sharp tips that can be quite dangerous. They grow in a rosette pattern at the base of the plant and can reach up to 90 centimeters in length. 

The flowers of Yucca glauca bloom in the late spring and early summer, typically between May and July. The flowers are large and showy, with white or cream-colored petals and a central cluster of stamens. The plant is pollinated by the yucca moth, which lays its eggs in the flowers and uses the plant as a host for its larvae. 

Yucca glauca is known for its many uses, particularly by Native American communities. The roots of the plant can be used to make soap, hence the common name "soapweed." The leaves and fibers can also be used to make baskets, rope, and other textiles. The plant is also used for medicinal purposes, with the roots and leaves being used to treat a variety of ailments such as arthritis and digestive problems.