PLANT: Shrubs or small trees. LEAVES: simple or pinnately compound. INFLORESCENCE: racemes or panicles. FLOWERS: showy; calyx campanulate with 5 small deltoid lobes; corolla yellow or orange, tubular-campanulate; stamens exserted or included, the anthers glabrous or pilose. FRUITS: linear capsules. SEEDS: flattened, 2-winged. NOTES: 14 spp., s U.S. s to Argentina; Afr. (from the Aztec name -tecomaxochitl- referring to the -trumpet- shape of the flowers). REFERENCES: Mason, Charles T., Jr. 1999. Bignoniaceae. Ariz.-Nev. Acad. Sci. 32(1).