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Solanum dimidiatum Raf.
Western horsenettle, Western Horse-Nettle
Synonym(s): Solanum perplexum, Solanum torreyi
USDA Symbol: SODI
USDA Native Status: L48 (N)
The leaves, petioles and branched stems of western horse nettle have sharp spines. Oval, five- to seven-lobed leaves are up to 6 inches long. Flowers are purple to violet (sometimes white) and grow at the tip in terminal clusters. Flowers give rise to ball-shaped fruits that are 0.75 to 1.5 inches in diameter and yellow at maturity.
Fruits, even though they look like tomatoes, are deadly poisonous and are probably responsible for “Crazy Cow Syndrome”.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Arrangement: Alternate Breeding System:
Flowers Bisexual Size Notes:
2 feet tall, but some grow to 3 feet tall. Fruit: Size Class:
Bloom InformationBloom Color: White , Purple
Bloom Time: May , Jun , Jul , Aug
Herbarium Specimen(s)NPSOT 0919
Collected Jul 31, 1994 in Comal County by Mary Beth White
Wildflower Center Seed BankLBJWC-1230
Collected 2008-10-21 in Anderson County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2010-04-19
Research By: TWC Staff