Rubiaceae Psychotria horizontalis - Peru C. Diaz 6283 image_info.php?img=images/collections/cdiaz_006283_01_p.jpg&id=128708#image128708 Rubiaceae Psychotria horizontalis - Peru C. Diaz 7415 image_info.php?img=images/collections/cdiaz_007415_01_p.jpg&id=128709#image128709 Rubiaceae Psychotria horizontalis - Peru C. Diaz 7492 image_info.php?img=images/collections/cdiaz_007492_01_p.jpg&id=128710#image128710