Families (As per The Plant List)

 
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S

Sabiaceae - 3 ( Meliosma pinnata subsp. arnottiana, Meliosma simplicifolia subsp. pungens, Meliosma simplicifolia subsp. simplicifolia)

Salicaceae - 16 ( Casearia bourdillonii, Casearia elliptica, Casearia esculenta, Casearia graveolens, Casearia ovata, Casearia rubescens, Casearia rubescens var. gambleii, Casearia wynadensis, Casearia zeylanica, Flacourtia indica, Flacourtia montana, Homalium zeylanicum, Hydnocarpus pentandrus, Salix tetrasperma, Scolopia crenata, Xylosma latifolium)

Salvadoraceae - 2 ( Azima tetracantha, Salvadora persica)

Salviniaceae - 2 ( Azolla pinnata subsp. asiatica, Salvinia molesta)

Santalaceae - 14 ( Osyris quadripartita, Santalum album, Scleropyrum pentandrum, Scurrula parasitica, Viscum angulatum, Viscum articulatum var. articulatum, Viscum capitellatum, Viscum heyneanum, Viscum monoicum, Viscum mysorense, Viscum nepalense, Viscum orbiculatum, Viscum orientale, Viscum ramosissimum)

Sapindaceae - 18 ( Allophylus cobbe, Allophylus cominia, Allophylus concanicus, Allophylus distachys, Allophylus rheedei, Allophylus serratus, Cardiospermum canescens, Cardiospermum halicacabum, Dimocarpus longan, Dodonaea viscosa, Filicium decipiens, Harpullia arborea, Lepisanthes tetraphylla, Nephelium lappaceum, Otonephelium stipulaceum, Sapindus emarginatus, Sapindus laurifolia, Schleichera oleosa)

Sapotaceae - 16 ( Chrysophyllum lanceolatum, Chrysophyllum roxburghii, Isonandra lanceolata, Isonandra perrottetiana, Isonandra stocksii, Madhuca bourdillonii, Madhuca insignis, Madhuca longifolia var. latifolia, Madhuca longifolia var. longifolia, Madhuca neriifolia, Manilkara hexandra, Manilkara roxburghiana, Manilkara zapota, Mimusops elengi, Palaquium ellipticum, Xantolis tomentosa)

Saxifragaceae - 1 ( Vahlia dichotoma)

Schizaeaceae - 1 ( Schizaea digitata)

Scrophulariaceae - 6 ( Buddleja asiatica, Buddleja davidii, Buddleja madagascariensis, Stemodia verticillata, Sutera dissecta, Verbascum chinense)

Selaginellaceae - 12 ( Selaginella bryopteris, Selaginella chrysorrhizos, Selaginella ciliaris, Selaginella delicatula, Selaginella longipila, Selaginella miniatospora, Selaginella plana, Selaginella proniflora, Selaginella radicata, Selaginella repanda, Selaginella tenera, Selaginella wightii)

Simaroubaceae - 2 ( Ailanthus excelsa, Ailanthus triphysa)

Smilacaceae - 4 ( Smilax aspera, Smilax perfoliata, Smilax wightii, Smilax zeylanica)

Solanaceae - 51 ( Browallia demissa, Brugmansia suaveolens, Capsicum annuum, Capsicum frutescens, Cestrum aurantiacum, Cestrum diurnum, Cestrum nocturnum, Datura arborea, Datura innoxia, Datura metel, Datura stramonium, Lycianthes bigeminata, Lycianthes laevis, Lycopersicon esculentum, Lycopersicon pimpinellifollium, Nicandra physalodes, Nicotiana plumbaginifolia, Nicotiana tabacum, Petunia violacea, Physalis angulata, Physalis micrantha, Physalis minima, Physalis peruviana, Solanum anguivi, Solanum denticulatum, Solanum diphyllum, Solanum elaeagnifolium, Solanum erianthum, Solanum ferox, Solanum giganteum, Solanum hovei, Solanum incanum, Solanum indicum, Solanum indicum var. multiflorum, Solanum khasianum, Solanum melongena, Solanum melongena var. insanum, Solanum myriacanthum, Solanum nigrum, Solanum pubescens, Solanum seaforthianum, Solanum stramoniifolium, Solanum surattense, Solanum torvum, Solanum trilobatum, Solanum verbascifolium, Solanum viarum, Solanum violaceum, Solanum wendlandii, Withania coagulans, Withania somnifera)

Sphenocleaceae - 1 ( Sphenoclea zeylanica)

Staphyleaceae - 3 ( Turpinia cochinchinensis, Turpinia malabarica, Turpinia pomifera)

Strelitziaceae - 1 ( Ravenala madagascariensis)

Stylidiaceae - 1 ( Stylidium tenellum)

Symplocaceae - 10 ( Symplocos cochinchinensis subsp. laurina, Symplocos kanarana, Symplocos kurgensis, Symplocos macrocarpa subsp. kanarana, Symplocos macrophylla, Symplocos obtusa, Symplocos pulchra, Symplocos racemosa, Symplocos rosea, Symplocos villosa)