DCHP-1 Online
buffalo bean 
1 the buffalo pea, Astragalus crassicarpus, a wild pea having yellow blossoms and a pod that is red and fleshy at first, becoming hard and brownish when dry.
- 1920 I told him of our range-lilies and foxglove and buffalo-beans. . . .
- 1954 [We travelled] through the rolling parklands yellow with buffalo-beans. . . .
2 the fruit or "beans" of this plant.
See also: buffalo apple
- 1922 Who would think she had a letter from her mother asking if she was canning any buffalo beans?
- 1965 The coffee they served appeared to have been brewed from dinosaur bones or buffalo beans. . . .
- 1920 I told him of our range-lilies and foxglove and buffalo-beans. . . .