Solanum dimidiatum

Solanum dimidiatum is a species of plant in the family Solanaceae known by the common names western horsenettle,[1] Torrey's nightshade, and robust horsenettle. It is native to the central United States, where it grows in many types of habitat, including disturbed areas. In California it is known as an introduced species and a noxious weed.[2] It is a rhizomatous perennial herb producing an erect stem up to 80 centimeters tall. It is covered in yellow prickles and branched hairs. The leaves may be up to 15 centimeters long, their edges wavy to lobed and sometimes toothed. The inflorescence is a branching array of several flowers. Each flower has a bell-shaped corolla measuring 3 to 5 centimeters wide. It is lavender to purple, or white. The five large, yellow anthers are about a centimeter long. The fruit is a spherical yellow berry up to 3 centimeters wide.

Solanum dimidiatum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Solanales
Family: Solanaceae
Genus: Solanum
Species:
S. dimidiatum
Binomial name
Solanum dimidiatum
Synonyms

Solanum torreyi

Etymology

The specific epithet "dimidiatum" comes from Latin, meaning halved.

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References
  1. "Solanum dimidiatum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 17 November 2015.
  2. CDFA: EncycloWeedia


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