Biology:Yucca angustissima

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

Yucca angustissima
Narrow-leaved yucca
Yucca angustissima fh 1179.14 AZ B.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Agavoideae
Genus: Yucca
Species:
Y. angustissima
Binomial name
Yucca angustissima
Engelm. ex Trel.

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]

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. ↑ 1.0 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. https://www.iucnredlist.org/species/117422964/117469932. Retrieved 20 November 2021. 
  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. ↑ "Yucca angustissima". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=YUAN2. 
  4. ↑ Bowers, Janice Emily. 1993. Shrubs & Trees of the Southwest Deserts. Western National Parks Association, Tucson.
  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. ↑ 6.0 6.1 Flora of North America v 26 p 434.
  7. ↑ Biota of North America Project, Yucca angustissima
  8. ↑ McKelvey, S. D. 1938–1947. Yuccas of the Southwestern United States. 2 vols. Jamaica Plain.
  9. ↑ Trelease, W. 1902. The Yucceae. Rep. (Annual) Missouri Bot. Gard. 13: 27–133
  10. ↑ Thomas H. Kearney, Robert H. Peebles. 1961. Arizona Flora, Second edition. University of California Press, Berkeley.
  11. ↑ The Plant List
  12. ↑ 12.0 12.1 12.2 Reveal, James Lauritz. 1977. Intermountain Flora; vascular plants of the Intermountain West, U.S.A. New York vol 6, p 534 Yucca angustissima

External links

Wikidata ☰ Q2601580 entry



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