Pergularia tomentosa 
Periploca aphylla 
Purple Allamanda 
Purple rubber vine 
Redring milkweed 
Rhazya stricta 
Rosy Milkweed Vine 
Rush Milkweed 
Sea Box 
Showy Milkweed 
Silkvine 
Spreading dogbane 
Star jasmine 
Stranglewort 
String of Hearts 
Strophanthus gratus 
Swallow-Wort 
Swamp milkweed 
Sword-leaf dogbane 
Tabernaemontana amygdalifolia 
Tabernaemontana divaricata 
Thevetia ahouai 
Trellis-vine 
Tropical Milkweed