A twining caudiciform of the Sonoran Desert, not extending north into the United States.
A cauline leaf, about 3/4 of the way from Santa Rosalia to Mulegé, 10/25/06.
Fruits, about 3/4 of the way from Santa Rosalia to Mulegé, 10/25/06. The fruit at
right had a leaf-footed bug feeding on it when found; unfortunately the bug flew away.