Climber with branches 4-angled in section. Leaflets paired, elliptic to oblong, to about 10 cm long, with 3-branched tendrils. Flowers few together, pendulous, generally deep blood red; summer. Fruit a wrinkled capsule to about 15 cm long. [Phaedranthus buccinatorius (DC.) Miers]

Mexico

Flowers generally deep red; tendrils branched.

Source: Spencer, R. (2002). Bignoniaceae. 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.