Solanum rostratum

Buffalo-bur, a reference photo
Photo: Juan Carlos Fonseca Mata · CC BY-SA 4.0 (licence)

Solanum rostratum is a species of nightshade (genus Solanum) that is native to the United States and northern and central Mexico. Common names include buffalobur nightshade, buffalo-bur, spiny nightshade, Colorado bur, Kansas thistle, bad woman, Mexican thistle, and Texas thistle.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Buffalo-bur being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Solanales
Family
Solanaceae
Genus
Solanum
Species
Solanum rostratum

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