_:b1218302 . _:b1218302 "A part of an indeterminate root nodule where plant cells and their bacteroid contents are being degraded. The breakdown of the heme component of leghemoglobin results in a visible greening at the base of the nodule."^^ . _:b1218302 . _:b1218302 "Wikipedia:Root_nodule"^^ . _:b1218302 .