Plant: Shrubs or small trees; 1-10 m tall Leaves: pinnately compound, 3-11 foliolate; leaflets opposite, lanceolate to almost linear, apically acute to long-acuminate, 1.5-15 cm long, 0.5-6 cm wide, the margins usually serrate INFLORESCENCE: terminal racemes of up to 20 flowers, the pedicels and rachis finely pubescent Flowers: calyx 3-7 mm long, with glands at the base of the lobes; corolla yellow, 3.5-5 cm long, the lobes ca. 1 cm long; stamens included, the anthers divaricate, sparsely pilose, the staminode 1-2 mm long Fruit: FRUITS linear, terete, 7-21 cm lon; SEEDS 3-5 mm long, flattened, 2-winged Misc: Canyons, desert grasslands, oak woodlands; 900-1600 m (2900-5200 ft); May-Oct REFERENCES: Mason, Charles T., Jr. 1999. Bignoniaceae. Ariz.-Nev. Acad. Sci. 32(1).