Rubiaceae Coussarea revoluta Steyerm. - Peru J. G. Graham 4646 image_info.php?img=images/collections/jggraham_004646_01_p.jpg&id=83096#image83096 Rubiaceae Coussarea revoluta Steyerm. - Peru J. G. Graham 4646 image_info.php?img=images/collections/jggraham_004646_02_p.jpg&id=92612#image92612