Lupinus luteus

from WordNet (r) 3.0 (2006)

Lupinus luteus
    n 1: yellow-flowered European lupine cultivated for forage [syn:
         {yellow lupine}, {Lupinus luteus}]

from The Collaborative International Dictionary of English v.0.48

Lupinine \Lu"pin*ine\, n. (Chem.)
   An alkaloid found in several species of lupine ({Lupinus
   luteus}, {Lupinus albus}, etc.), and extracted as a bitter
   crystalline substance, having a formula {C10H19NO}. Called
   also l-lupinine
   [1913 Webster]

   Note: Chemically it is a a bicyclic saturated quinolizine
         [1-R-trans]-Octahydro-2H-quinolizine-1-methanol, with
         the structure:
         CH2OH | /\ H /\ / \|/ \ | | | | N | \ / \ / \/ \/
         --[MI11]
         [PJC]