Toxicological trivia from October 21, 2016: Tecoma stans is a species of flowering perennial shrub in the trumpet vine family, Bignoniaceae, that is native to the Americas.  Tecoma stans is the official flower of the United States Virgin Islands and the floral emblem of the Bahamas.Yellow trumpetbush is an attractive plant that is cultivated as an ornamental. It has sharply toothed, lance-shaped green leaves and bears large, showy, bright golden yellow trumpet-shaped flowers. It is drought-tolerant and grows well in warm climates. The flowers attract bees, butterflies, and hummingbirds.The plant produces pods containing yellow seeds with papery wings. The plant is desirable fodder when it grows in fields grazed by livestock. Yellow trumpetbush is a ruderal species, readily colonizing disturbed, rocky, sandy, and cleared land and occasionally becoming an invasive weed. Common names include: a)  Yellow trumpetbush or yellow bells;b)  Yellow elder or ginger-thomas;c)  Both previous assertions are correct.

Correcta answer: c. Read more in WP.