Gelsemium sempervirens

Gelsemium sempervirens is a species of flowering plant in the family Gelsemiaceae. It is native to subtropical and tropical America: from Guatemala to the Southeastern United States. Common names include yellow jessamine or jasmine, Carolina jasmine or jessamine, evening trumpetflower, gelsemium and woodbine.

Description

Gelsemium sempervirens is an evergreen climbing vine with glossy, lance-shaped leaves and bright, yellow flowers. The flowers are trumpet-shaped, appearing in clusters and have a strong, sweet scent. The plant blooms in late winter or early spring, and the flowers are followed by dark, shiny berries.

Distribution and habitat

Gelsemium sempervirens is found in a variety of habitats, from moist, low woods to dry, sandy soils. It is most commonly found in the coastal plains and Piedmont regions of the southeastern United States, but its range extends south to Guatemala and west to Texas.

Uses

Gelsemium sempervirens has been used in traditional medicine for a variety of ailments, including anxiety, neuralgia, and migraines. However, all parts of the plant are highly toxic if ingested, and it should be used with caution.

Toxicity

All parts of Gelsemium sempervirens are highly toxic, including the nectar. The plant contains several toxic compounds, including gelsemine and gelseminine. Symptoms of poisoning include weakness, blurred vision, difficulty in swallowing and speaking, slow and weak pulse, and eventually respiratory failure.

Cultivation

Gelsemium sempervirens is often grown as an ornamental plant for its attractive, fragrant flowers. It is hardy to USDA zone 7 and prefers well-drained soil and a position in full sun or partial shade.