Indian Tobacco (Lobelia inflata): Potent Native Annual with Inflated Seed Pods

Overview

Indian tobacco (Lobelia inflata), also called pukeweed, asthma weed, or gagroot, is an annual native to eastern North America. It grows 1-3 feet tall with hairy stems, toothed leaves, and small, pale blue to white, two-lipped flowers. The distinctive inflated seed capsules give the species name. Contains lobeline, a nicotine-like alkaloid.

Botanical Details

• Family: Campanulaceae (bellflower family)
• Genus: Lobelia
• Species: inflata

Uses & Cautions

Historically used by Native Americans and eclectic physicians for respiratory ailments (asthma, bronchitis), as emetic (hence "pukeweed"), and smoking cessation aid. **Toxic in overdose**—causes nausea, vomiting, convulsions, respiratory depression. Modern use restricted to trained practitioners. Grows in part shade, moist soil. Self-sows. Annual.