Yucca angustissima,Georg Engelmann. Annual Report of the Missouri Botanical Garden 13: 58–59, pl. 23, f. 1, pl. 24, f. 1, pl. 83, f. 6. 1902. the narrowleaf yucca, is a plant in the family Agavaceae, known as the "narrow-leaved yucca".Bowers, Janice Emily. 1993. Shrubs & Trees of the Southwest Deserts. Western National Parks Association, Tucson. It is native to Arizona, New Mexico, Colorado and Utah, but grown elsewhere as an ornamental.Georg Engelmann. Annual Report of the Missouri Botanical Garden 13: 58–59, pl. 23, f. 1, pl. 24, f. 1, pl. 83, f. 6. 1902.Flora of North America v 26 p 434.Biota of North America Project, Yucca angustissima
Yucca angustissima is a low-lying species forming colonies of basal rosettes up to 3 m (10 feet) in diameter. Leaves are long and thin, up to long but rarely more than 2 cm across. Flowers are white to cream or greenish-white, pendant, borne in racemes on stalks up to 2 m (7 feet) tall. Fruit is a dry capsule with black seeds.McKelvey, S. D. 1938–1947. Yuccas of the Southwestern United States. 2 vols. Jamaica Plain.Trelease, W. 1902. The Yucceae. Rep. (Annual) Missouri Bot. Gard. 13: 27–133Thomas H. Kearney, Robert H. Peebles. 1961. Arizona Flora, Second edition. University of California Press, Berkeley.
Yucca angustissima is relatively abundant, and although it has local threats, its population appears to be stable overall.
Varieties Numerous varietal names have been proposed, but 4 are currently recognized:The Plant List
Yucca angustissima var. angustissima – Arizona, Utah, New Mexico, Colorado Yucca angustissima var. avia RevealReveal, James Lauritz. 1977. Intermountain Flora; vascular plants of the Intermountain West, U.S.A. New York vol 6, p 534 Yucca angustissima – Utah only Yucca angustissima var. kanabensis (McKelvey) Reveal – Arizona and Utah Yucca angustissima var. toftiae (S.L.Welsh) Reveal – Utah only
References
External links
US Department of Agriculture plants profile Yucca angustissima Photo of herbarium specimen at Missouri Botanical Garden, type of Yucca angustissima, collected near Picacho Peak, Arizona Southwestern Colorado Wildflowers Dave's Garden, PlantFiles: Narrow-leaved Yucca, Yucca angustissima Benny's Cactus, Yucca angustissima ssp. kanabensis Gartendatenbank, Gabriele Jesdinsky, Berlin, Palmlilien (Yucca angustissima) Sunshine Seeds, Ahlen Germany, Yucca angustissima, Palmlilie, Yucca