From the Italian gelsomino — name of the true jasmine.

Twining climbers. Leaves opposite, entire, glossy above. Flowers solitary or in small clusters. Corolla funnelshaped. Fruit a 2-valved capsule.

Grown for the glossy leaves and prolific yellow trumpet flowers.

Cuttings.

G. elegans (Gardn. & Champ.) Benth. is a source of poisons; G. sempervirens (L.) Ait. is a source of medicinal compounds used to treat neuralgia and migraine.

Climbing plant with simple shiny leaves and yellow trumpet flowers.

3 species: 2 from N & C America, 1 from SE Asia.

Source: Spencer, R. (2002). Loganiaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.