Gesneriaceae Besleria quadrangulata L. E. Skog - Peru J. L. Clark 11894 image_info.php?img=images/collections/jlclark_011894_01_p.jpg&id=39425#image39425 Gesneriaceae Besleria quadrangulata L. E. Skog - Peru J. L. Clark 11894 image_info.php?img=images/collections/jlclark_011894_02_p.jpg&id=39426#image39426