PLANT: Trailing perennial. LEAVES: petiolate, cordate, the blade 7 cm long, 2-5 cm wide, glabrous on the surface, occasionally ciliate on the margins and veins, the petiole 5-20 mm long, with a distinct pair of glands midway along the margins. FLOWERS: blue or violet; calyx lobes ciliate, linear, 7-13 mm long; corolla tube 12-17 rom long, the lobes 10-18 rom long. NOTES: Moist, shaded canyons; naturalized in Oak Creek Canyon, Coconino Co., Madera Canyon, Pima and Santa Cruz cos., Prescott, Yavapai Co., at several stations in Cochise Co., and doubtless elsewhere, 1350-1850 m (4500-6000ft); Mar- Nov; widely cultivated throughout the U.S. and often escaping. REFERENCES: McLaughlin, Steven, P. 1994. Apocynaceae. J. Ariz. – Nev. Acad. Sci. Volume 27, 164-168.