Gesneriaceae Nautilocalyx bracteatus (Planch.) Sprague - Peru C. Vargas 15254 image_info.php?img=images/collections/cvargas_015254_01_p.jpg&id=98329#image98329 Gesneriaceae Nautilocalyx bracteatus (Planch.) Sprague - Peru C. Vargas 17865 image_info.php?img=images/collections/cvargas_017865_01_p.jpg&id=98330#image98330