| thermopsis | (n) genus of American and Asiatic showy rhizomatous herbs: bush peas, Syn. genus Thermopsis |
| carolina lupine | (n) eastern United States bush pea, Syn. Thermopsis villosa |
| false lupine | (n) western United States bushy herb having yellow pea-like flowers, Syn. yellow pea, golden pea, Thermopsis macrophylla |