Yucca angustissima


Yucca angustissima, the narrowleaf yucca, is a plant in the family Agavaceae, known as the "narrow-leaved yucca." It is native to Arizona, New Mexico, Colorado and Utah, but grown elsewhere as an ornamental.
Yucca angustissima is a low-lying species forming colonies of basal rosettes up to 3 m in diameter. Leaves are long and thin, up to 150 cm 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 tall. Fruit is a dry capsule with black seeds.

Varieties

Numerous varietal names have been proposed, but 4 are currently recognized:
  1. Yucca angustissima var. angustissima—Arizona, Utah, New Mexico, Colorado
  2. Yucca angustissima var. avia Reveal—Utah only
  3. Yucca angustissima var. kanabensis Reveal—Arizona and Utah
  4. Yucca angustissima var. toftiae Reveal—Utah only