Soaptree yucca
From Biocrawler, the free encyclopedia.
| Soaptree yucca | ||||||||||||||
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| Large Soaptree in bloom | ||||||||||||||
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| Yucca elata |
The Soaptree yucca (Yucca elata) is a perennial plant of the yucca family Agavaceae. They commonly grow in Southwestern North America, in the Sonoran and Chihuahuan deserts of Texas, New Mexico, Arizona and northern Mexico.
This plant grows from 10-18 ft, including the flower stalk. The white, bell-shaped flowers grow to 2" long and are creamy white. They grow in clusters along the tall flowering stalk. The flowering stalk is twig-thin and shoots up from a bottom bundle of leaves. The triangular leaves are long, narrow and palm-like; they grow at the base of the plant. The trunk is brown and cylindrical in shape, often having holes drilled by escaping Yucca moth larvae.
The Soaptree yucca's fruit appears on the flower stalk. Each fruit is a brown capsule until the summer, when it splits into three sections that contain black seeds. They do not flower every year.
These plants fare best in dry, semi-desert conditions. They are very cold-hardy, but need lots of sunlight.
Uses
Native Americans used the fiber of the Soaptree Yucca's leaves to weave baskets. Inside the trunk and roots of the plant is a soapy substance high in saponins. In the past, this was commonly used as a substitute for soap and shampoo. Also, in times of drought ranchers have used the plant as an emergency food supply for their cattle.
References
- Blue Planet Biomes entry for the Soaptree yucca (http://www.blueplanetbiomes.org/soaptree.htm)
