Yucca_angustissima

<i>Yucca angustissima</i>

Yucca angustissima

Species of flowering plants belonging to the agave, yucca, and Joshua tree subfamily

Yucca angustissima,[2] the narrowleaf yucca,[3] is a plant in the family Agavaceae, known as the "narrow-leaved yucca.[4]" It is native to Arizona, New Mexico, Colorado and Utah, but grown elsewhere as an ornamental.[5][6][7]

Quick Facts Yucca angustissima Narrow-leaved yucca, Conservation status ...

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 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 (7 feet) tall. Fruit is a dry capsule with black seeds.[8][9][10]

Yucca angustissima is relatively abundant, and although it has local threats, its population appears to be stable overall.[1]

Varieties

Numerous varietal names have been proposed, but 4 are currently recognized:[6][11]

  1. Yucca angustissima var. angustissima—Arizona, Utah, New Mexico, Colorado
  2. Yucca angustissima var. avia Reveal[12]—Utah only
  3. Yucca angustissima var. kanabensis (McKelvey) Reveal[12]—Arizona and Utah
  4. Yucca angustissima var. toftiae (S.L.Welsh) Reveal[12]—Utah only

References

  1. [1]
    Clary, K.; Hodgson, W.; Salywon, A.; Puente, R. (2020). "Yucca angustissima". IUCN Red List of Threatened Species. 2020: e.T117422964A117469932. doi:10.2305/IUCN.UK.2020-3.RLTS.T117422964A117469932.en. Retrieved 20 November 2021.
  2. [2]
    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.
  3. [3]
    USDA, NRCS (n.d.). "Yucca angustissima". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 8 August 2015.
  4. [4]
    Bowers, Janice Emily. 1993. Shrubs & Trees of the Southwest Deserts. Western National Parks Association, Tucson.
  5. [5]
    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.
  6. [6]
    Flora of North America v 26 p 434.
  7. [7]
    Biota of North America Project, Yucca angustissima
  8. [8]
    McKelvey, S. D. 1938–1947. Yuccas of the Southwestern United States. 2 vols. Jamaica Plain.
  9. [9]
    Trelease, W. 1902. The Yucceae. Rep. (Annual) Missouri Bot. Gard. 13: 27–133
  10. [10]
    Thomas H. Kearney, Robert H. Peebles. 1961. Arizona Flora, Second edition. University of California Press, Berkeley.
  11. [11]
    The Plant List
  12. [12]
    Reveal, James Lauritz. 1977. Intermountain Flora; vascular plants of the Intermountain West, U.S.A. New York vol 6, p 534 Yucca angustissima
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