Thamnosma texana [Rutaceae]

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Scientific Name Thamnosma texana USDA PLANTS Symbol THTE2
Common Name Dutchman's Breeches, Desert Rue ITIS Taxonomic Serial No. 29005
Family Rutaceae (Rue) SEINet
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Description Habitat: Rocky slopes, open areas.
Plant: Loose, sprawling perennial with stems 6 to 12 inches long.
Leaves: Alternate, linear stem leaves 1/4 to 3/8-inch long, dotted with glands.
Inflorescence: Small, erect, yellow urn-shaped flowers about 1/4-inch across in racemes; 4 petals and sepals.
Bloom Period: March to May.
Fruit: Two-lobed fruit capsule resembling pantaloons provides the common name.
References: "Wildflowers of the Texas Hill Country" by Marshall Enquist.
BONAP Distribution Map

Texas Status:

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