Selaginella willdenowii
Peacock Fern
Selenicereus undatus
Pitahaya
Senega paniculata
Root Beer Plant
Senna alata
Emperor's Candlesticks
Senna fistula
Golden Shower Tree
Senna obtusifolia
Sicklepod
Setaria verticillata
Hooked Bristlegrass
Sicyos edulis
Chayote
Sida acuta
Common Wireweed
Sida rhombifolia
Arrowleaf Sida
Solandra grandiflora
Showy Chalicevine
Solanum aethiopicum
Ethiopian Eggplant
Solanum americanum
American Black Nightshade
Solanum erianthum
Velvet Nightshade
Solanum melongena
Eggplant
Solanum torvum
Pendejera
Sonchus asper
Prickly Sow-thistle
Sonneratia caseolaris
Mangrove Apple
Spathiphyllum blandum
Pleasant Peace Lily
Spathodea campanulata
African Tulip Tree
Spathoglottis plicata
Philippine Ground Orchid
Spermacoce exilis
False Buttonweed
Spermacoce hispida
Shaggy Buttonweed
Spermacoce remota