Texas
Wildbuds

Yucca faxonia

(Giant Dagger Yucca)

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Yucca faxonia, Dagger Flats, Big Bend National Park 0256-1

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Yucca faxonia, Dagger Flats, Big Bend National Park 0256-2

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Yucca faxonia, Dagger Flats, Big Bend National Park 1258

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Yucca faxonia, Dagger Flats, Big Bend National Park 0265

Scientific Name Yucca faxonia USDA PLANTS Symbol YUFA
Common Name Giant Dagger Yucca, Faxon Yucca ITIS Taxonomic Serial No. 43119
Family Asparagaceae (Asparagus) formerly Agavaceae SEINet
Reference
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Description Habitat: Desert habitat; rocky slopes, bluffs, plains, 2600 to 6900 ft.
Plant: Solitary, erect, large, tree-like, 8 to 30 feet tall, including flower spike; usually unbranched or with 2 to 4 branches.
Leaves: Erect, rigid, spine-tipped linear leaves 17 to 43 inches long and 1-1/4 to over 3 inches wide, pale green to yellow-green with curling, brownish thread-like fibers on the edges; large numbers drooping dead leaves below.
Inflorescence: A very large cluster of white sometimes purple-tinged blossoms in a broadly ovoid, often branched panicle from almost 2 to more than 8 feet tall, lower portion within the foliage; many hanging, bell-shaped flowers, 1-1/2 to more than 4 inches long.
Bloom Period: Late winter through spring.
Fruit: Hanging, fleshy, greenish and berry-like, elongated, 1-1/2 to 5+ inches long and 3/4 to 1-1/2 inches across.
References: "Little Big Bend" by Roy Morey, "Manual of the Vascular Plants of Texas" by Correll and Johnston, iNaturalist and SEINet.
BONAP Distribution Map


Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2024