Noun
leghemoglobin (countable and uncountable, plural leghemoglobins)
(biochemistry) A hemoprotein found in the nitrogen-fixing root nodules of leguminous plants.
; Leghemoglobin : In leguminous plants, such as alfalfa or soybeans, the nitrogen fixing bacteria in the roots are protected from oxygen by this iron heme containing oxygen-binding protein. Source: Internet
Leghemoglobin, the vegetal version of hemoglobin, is similarly red when attached to oxygen. Source: Internet