Native to eastern Asia. A semi-evergreen, woody-stemmed, climbing vine. Leaves are dark green, ovate, 1" to 2" long, 3/4" to 1 1/2" wide. Blooms are white that turn yellow with age and are very fragrent. Can tolerate heat and poor soil. L. purpurea has the same growth habit as Hall's but the leaves are purple underneath, with blooms that are purple-red with white.