Rubiaceae Coussarea obliqua - Peru J. G. Graham 5256 image_info.php?img=images/collections/jggraham_005256_01_p.jpg&id=82412#image82412 Rubiaceae Coussarea obliqua - Peru J. G. Graham 5256 image_info.php?img=images/collections/jggraham_005256_02_p.jpg&id=93161#image93161 Rubiaceae Coussarea obliqua - Peru J. G. Graham 5256 image_info.php?img=images/collections/jggraham_005256_03_p.jpg&id=93162#image93162