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