Stone Mint 
Straw Foxglove 
Streptocarpus hilsenbergii 
Striped Savory 
Strobilanthes auriculata 
Strobilanthes crispa 
Strobilanthes heyneana 
Strobilanthes ixiocephalus 
Strobilanthes lanatus 
Summer savory 
Sunset Bells 
Sweet Basil 
Sweet Olive 
Swollen Bladderwort 
Synthyris missurica 
synthyris reniformis 
Syrian Speedwell 
Tabebuia Lapacho 
Tail Germander 
Tar bush 
Tassel Tree 
Teak , C.P.Teak , Nagpur Teak 
Tecoma rosifolia 
Tecomaria capensis