Apocynaceae Malouetia calva Markgr. - Brazil J. E. Householder 1575 image_info.php?img=images/collections/jehouseholder_001575_01_p.jpg&id=58233#image58233 Apocynaceae Malouetia calva Markgr. - Brazil J. E. Householder 1575 image_info.php?img=images/collections/jehouseholder_001575_02_p.jpg&id=58234#image58234 Apocynaceae Malouetia calva Markgr. - Brazil J. E. Householder 1575 image_info.php?img=images/collections/jehouseholder_001575_03_p.jpg&id=58235#image58235