Yucca treculeana Carrière
Spanish Dagger, Don Quixote's Lance, Palma Pita
Agavaceae (Century-Plant Family)
USDA Symbol: YUTR
Shrub or small tree with stem unbranched except near the top, and up to 10 or more feet tall. In brushy and open areas. Leaves stiff, sharp pointed, up to 3 feet long by 3 inches wide, in large clumps at the ends of stems or branches, dead ones hanging below the live ones. Flowers white or faintly purplish, in dense, showy clusters rising above the leaves, appearing in March and April. Fruit a capsule up to 4 inches long by 1 inch wide.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Root Type: Fibrous
Leaf Complexity: Simple
Leaf Shape: Lanceolate
Leaf Venation: Parallel
Leaf Pubescence: Glabrous
Leaf Apex: Acuminate
Leaf Base: Truncate
Breeding System: Flowers Bisexual
Leaf: dark green to blue green
Flower: Flower to 4 cm long. Sepals 3-4.5 cm long
Fruit: Seeds dull black 6.5-10 cm
Size Class: 6-12 ft.
Bloom InformationBloom Color: White , Red
Bloom Time: Jan , Feb , Mar , Apr , Dec
Native Habitat: Chaparral & brush country
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Dry
Cold Tolerant: yes
Soil Description: Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
Conditions Comments: It is said that the Aztecs used to use the leaves of the Spanish Dagger to stab snakebite wounds in their skin in order to help flush out the poison.
BenefitUse Ornamental: Blooms ornamental, Accent tree or shrub, Aromatic, Security hedge
Use Wildlife: Nectar-moths, Nesting site.
Conspicuous Flowers: yes
Interesting Foliage: yes
Larval Host: Yucca giant skipper butterfly, Ursine giant skipper, Streckers giant skipper.
Deer Resistant: High
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
Texas Parks and Wildlife Department - Austin, TX
Texas Master Naturalists - Lost Pines Chapter - Bastrop, TX
NPSOT - Austin Chapter - Austin, TX
Wildflower Center Seed BankLBJWC-1268 Collected 2009-05-18 in Starr County by Lady Bird Johnson Wildflower Center
BibliographyBibref 355 - Landscaping with Native Plants of Texas and the Southwest (1991) Miller, G. O.
Bibref 354 - Native & Naturalized Woody Plants of Austin & the Hill Country (1981) Lynch, D.
Bibref 291 - Texas Wildscapes: Gardening for Wildlife (1999) Damude, N. & K.C. Bender
Bibref 297 - Trees of Central Texas (1984) Vines, Robert A.
Search More Titles in Bibliography
Additional resourcesUSDA: Find Yucca treculeana in USDA Plants
FNA: Find Yucca treculeana in the Flora of North America (if available)
Google: Search Google for Yucca treculeana
MetadataRecord Modified: 2013-03-07
Research By: LAL, JSC