Evergreen climber. Leaves lanceolate, to 10 cm long, glossy above, narrowing at the base. Flowers bright yellow, about 3-4 cm long on unusual scaly stalks, fragrant; spring to summer. Fruit 2 cm or so long with a short beak.

S USA

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.