Trying to Identify a Vining Annual With Purple Flowers.

Question

Long, bean-like pods appear after the plant has flowered. Seeds are about the size of a navy bean and are dark with a white spot. Plant grows very rapidly. Can be grown on a trellis or used as a ground cover.

Answer 1

I believe this is a Hyacinth Bean Vine.

Answer 2

https://www.gardeningknowhow.com/ornamental/vines/hyacinth-bean/purple-hyacinth-bean-care.htm

Called Hyacinth Bean or Lablab. Very tasty/healthy and popular in India and far east.