| lupinus | (n) herbs or shrubs: lupin, Syn. genus Lupinus |
| bluebonnet | (n) low-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowers; a leading cause of livestock poisoning in the southwestern United States, Syn. buffalo clover, Lupinus subcarnosus, Texas bluebonnet |
| texas bluebonnet | (n) closely resembles Lupinus subcarnosus; southwestern United States (Texas), Syn. Lupinus texensis |
| tree lupine | (n) evergreen shrub of the Pacific coast of the United States having showy yellow or blue flowers; naturalized in Australia, Syn. Lupinus arboreus |
| white lupine | (n) white-flowered Eurasian herb widely cultivated for forage and erosion control, Syn. Egyptian lupine, field lupine, Lupinus albus, wolf bean |
| wild lupine | (n) stout perennial of eastern and central North America having palmate leaves and showy racemose blue flowers, Syn. Indian beet, sundial lupine, Lupinus perennis, old-maid's bonnet |
| yellow lupine | (n) yellow-flowered European lupine cultivated for forage, Syn. Lupinus luteus |