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Yucca treculeana Carrière[4] is a plant in the family Asparagaceae, native to Texas, New Mexico and Coahuila.[5] Common names include Spanish dagger, Spanish bayonet and Don Quixote's lance.

Yucca treculeana
1860 illustration[1]
Conservation status

Vulnerable  (IUCN 3.1)[2]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Agavoideae
Genus: Yucca
Species:
Y. treculeana
Binomial name
Yucca treculeana
Carrière
Synonyms[3]
  • Sarcoyucca treculeana (Carrière) Linding.
  • Yucca agavoides Carrière
  • Yucca argospatha Verl.
  • Yucca aspera Regel
  • Yucca baccata var. australis Engelm.
  • Yucca canaliculata Hook.
  • Yucca canaliculata var. pendula K. Koch
  • Yucca contorta Carrière
  • Yucca cornuta Baker
  • Yucca crassifila Engelm.
  • Yucca longifolia Buckley, nom. illeg.
  • Yucca recurvata Carrière
  • Yucca revoluta Carrière
  • Yucca spinosa auct non Kunth
  • Yucca treculeana var. canaliculata Trel.
  • Yucca treculeana var. glauca Sprenger
  • Yucca treculeana var. succulenta McKelvey
  • Yucca undulata K.Koch

Yucca treculeana is a large, tree-like species up to 10 m (33 feet) tall, often branching above the ground. Leaves are up to 128 cm (50 inches) long. Flowers are cream-colored, sometimes tinged with purple. Fruits are fleshy and succulent, up to 19 cm (7.5 inches) long.[6][7]

In the last three generations, it has experienced a population decline of 30 percent, attributable due to habitat loss.[2]

Some sources list this species as "Yucca spinosa Kunth." However, the type specimen for this name at the herbarium in Berlin appears to be Dasylirion sp., thus rendering the name a "nomen confusum."[8]

Spanish Dagger (Yucca treculeana), Laguna Atascosa National Wildlife Refuge, Cameron County, Texas, USA (12 April 2016)
Spanish Dagger (Yucca treculeana), Laguna Atascosa National Wildlife Refuge, Cameron County, Texas, USA (12 April 2016)

References


  1. Yucca treculeana (as Yucca canaliculata) Bot. Mag. 86. t. 5201. 1860.
  2. Hernández Sandoval, L.; Clary, K.; González-Elizondo, M.; Zamudio, S.; Matías-Palafox, M.; Sánchez, E.; Hernández-Martínez, M. (2020). "Yucca treculeana". IUCN Red List of Threatened Species. 2020: e.T117428743A117470212. doi:10.2305/IUCN.UK.2020-3.RLTS.T117428743A117470212.en. Retrieved 20 November 2021.
  3. Tropicos Yucca treculeana
  4. Carrière, Rev. Hort. IV, 7: 580 1858.
  5. Encyclopedia of Life map
  6. "Yucca treculeana in Flora of North America @". Efloras.org. Retrieved 2022-05-01.
  7. McKelvey, S. D. 1938–1947. Yuccas of the Southwestern United States. 2 vols. Jamaica Plain.
  8. Digital specimen images at the Herbarium Berolinense
Wikispecies has information related to Yucca treculeana.
Wikimedia Commons has media related to Yucca treculeana.


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