Tradescantia occidentalis

(Prairie Spiderwort)


Tradescantia occidentalis, southeast of Llano, Llano Co. 2494


Tradescantia occidentalis, Shady Trail, San Angelo State Park, Tom Green Co. 06853


Tradescantia occidentalis, River Bend Camping Area, San Angelo State Park, Tom Green Co. 5929

Scientific Name Tradescantia occidentalis USDA PLANTS Symbol TROC
Common Name Prairie Spiderwort ITIS Taxonomic Serial No. 39168
Family Commelinaceae (Spiderwort) SEINet
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Description Habitat: Widespread, various habitats and soils but especially in sandy or rocky soils in prairies, fields, woodlands, roadsides, etc.
Plant: Prostrate to erect perennial with smooth, often branching stems 2 inches to 3 feet tall.
Leaves: Narrow linear-lanceolate, grass-like, hairless basal and stem leaves 2 to 21 inches long; pointed tips; edges often rolled up.
Inflorescence: A few to many flowers in terminal cymes and sometimes in leaf nodes, blossoms about 1 inch across with three broad, rounded petals, light blue to purple-rose; yellow anthers; blossoms on pedicels up to 1-1/4 inches long subtended by two leaf-like bracts up to 8 inches long; bracts, sepals and pedicels covered in short, fine hairs.
Bloom Period: March to July.
References: "Wildflowers of Texas" by Michael Eason, "Manual of the Vascular Plants of Texas" by Correll and Johnston, American Southwest and SEINet.
BONAP Distribution Map

Map Color Key
Texas Status:

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

© Tom Lebsack 2024