Texas
Wildbuds

Tradescantia gigantea

(Giant Spiderwort)

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Tradescantia gigantea, Lake Somerville State Park, Birch Creek, Burleson Co. 9284

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Tradescantia gigantea, Lake Somerville State Park, Birch Creek, Burleson Co. 9286

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Tradescantia gigantea, McKinney Roughs Natural Area, Bastrop Co. 3499

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Tradescantia gigantea, McKinney Falls State Park, Travis Co. 2922

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Tradescantia gigantea, McKinney Roughs Natural Area, Bastrop Co. 3503/3520

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Tradescantia gigantea, Mayfield Park, Austin, Travis Co. 1848

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Tradescantia gigantea, Mayfield Park, Austin, Travis Co. 1842

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Tradescantia gigantea, McKinney Roughs Natural Area, Bastrop Co. 3557

Click Here for white T. gigantea.

Scientific Name Tradescantia gigantea USDA PLANTS Symbol TRGI
Common Name Giant Spiderwort ITIS Taxonomic Serial No. 39162
Family Commelinaceae (Spiderwort) SEINet
Reference
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Description Habitat: Limestone soils in pasturelands, woodland edges, roadsides; endemic to Central Texas.
Plant: Erect perennial with straight usually unbranched stems 8 inches to 3 feet tall with 3 to 5 nodes; lower stem mostly smooth, upper densely covered with short hairs.
Leaves: Narrow linear-lanceolate, pointed leaves 4 to 14 inches long; upper portions of leaves becoming densely covered with short hairs, lower portions mostly smooth.
Inflorescence: A few to many flowers in terminal cymes, blossoms about 1 inch across with three broad, rounded petals, usually lavender-blue to pink, rarely white; yellow anthers; blossoms subtended by leaf-like bracts up to 4 inches long with a sac-like shape at the base; bracts, sepals and pedicels covered in short, fine hairs.
Bloom Period: March to May.
References: "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Manual of the Vascular Plants of Texas" by Correll and Johnston and Vascular Plants of Williamson County.
BONAP Distribution Map

Map Color Key
Texas Status:
Native
Endemic to Central Texas

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

© Tom Lebsack 2024