| Sabal palmetto |
Palmetto |
 |
| Sagittaria montevidensis |
Californian Arrowhead |
|
| Salpiglossis sinuata |
Velvet Trumpet Flower |
 |
| Salvia (many) |
Sage |
 |
| Salvia argentea |
Silver Sage |
 |
| Salvia cacaliifolia |
Blue VineSage |
|
| Salvia dolichantha |
Clustered Sage |
 |
| Salvia forsskaolii |
Balkan Sage |
|
| Salvia greggii |
Autumn Sage |
|
| Salvia lycioides |
Canyon Sage |
|
| Salvia lyrata |
Lyreleaf Sage |
|
| Salvia przewalskii |
Sage |
|
| Salvia sclarea |
Clary |
|
| Salvia splendens hybrids |
Scarlet Sage |
|
| Salvia turkestanica |
Clary Sage |
|
| Salvia x jamensis |
Sage |
|
| Sanguinaria canadensis |
Bloodroot |
|
| Sanguisorba canadensis |
Canadian Burnet |
|
| Sanguisorba minor |
Salad Burnet |
|
| Sanguisorba officinalis |
Great Burnet |
|
| Sanseviera |
Mother-in-law's Tongue |
|
| Saponaria (many) |
Soapwort |
|
| Saponaria ocymoides |
Soapwort, Tumbling Ted |
|
| Satureja montana |
Winter Savory |
|
| Saxifraga (many) |
Saxifrage |
|
| Saxifraga apiculata |
Saxifrage |
|
| Saxifraga arendsii |
Saxifrage |
|
| Saxifraga canaliculata |
Saxifrage |
|
| Saxifraga stribrnyi |
Saxifrage |
|
| Scabiosa (many) |
Pincushion Flower, Scabious |
|
| Scabiosa (Knautia) arvensis |
Field Scabious |
|
| Scabiosa columbaria nana |
Scabious, Pincushion Flower |
|
| Schefflera arboricola |
Umbrella Plant, Dwarf Umbrella Plant |
|
| Schisandra |
Magnolia Vine |
|
| Schiverekia monticola |
Schiverekia |
|
| Schizanthus hookeri |
Poor Man's Orchid, Butterfly Flower |
|
| Schizolobium parahybum |
Tower Tree, Brazilian Fire Tree |
|
| Schizostylis coccinea |
Kaffir Lily |
|
| Schotia brachypetala |
African Walnut, Tree Fuchsia |
|
| Scilla (many) |
Squill |
|
| Scilla |
Squill |
|
| Scilla (Hyacinthoides) non-scripta |
Bluebell |
|
| Scilla autumnalis |
Autumn Squill |
|
| Scutellaria (many) |
Skullcap |
|
| Scutellaria galericulata |
Skullcap |
|
| Scutellaria orientalis |
Oriental Skullcap |
|
| Sedum (many) |
Stonecrop |
|
| Senecio cineraria |
Dusty Miller |
|
| Senecio polyodon |
Senecio |
|
| Sesbania |
Scarlet Wisteria |
|
