(Spanish Bayonet)

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Yucca glauca, Pawnee Buttes, Weld Co. 7600

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Yucca glauca, Pawnee Buttes, Weld Co. 7608

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Fruit, Yucca glauca, Pawnee Buttes, Weld Co. 7932

Scientific Name Yucca harrimaniae USDA PLANTS Symbol YUHA
Common Name Spanish Bayonet ITIS Taxonomic Serial No. 43144
Family Asparagaceae (Asparagus) SEINet
Reference
Click Here
Description Life zones and habitat: Semidesert and mesas (4500 to 8000 ft.); dry desert slopes, foothills and plateaus.
Plant: Short, round yucca shrub up to 20 inches tall (excluding inflorescence and fruit stem); often colony-forming.
Leaves: Rosettes of pale green, concave, rigid leaf blades, linear- or spatulate-lanceolate, widest near middle, 12 to 20 inches long and 3/4 to 1-5/8-inches wide; margins are toothless, with white or brown threads; very sharp tips.
Inflorescence: Flowering stalk 14 to 28 inches tall arising within or just above rosette; large bell-shaped, hanging flowers with creamy-white, yellow or greenish-yellow tepals usually tinged purple, 1-3/4 to 2 inches long; filaments 5/8 to 1-1/8 inches long; pale green pistil 1 to 1-1/2 inches long and pale to bright green style.
Bloom Period: May and June.
Fruit: Erect cylindrical fruit capsules usually deeply constricted toward center 1-1/4 to 2-3/8 inches long
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2022

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