Sajap lajan Kelokop (Kutai-Dyak) [East Kalimantan] – synonym of Bauhinia pottsii
Sampit (Tidoeng lands) [East Kalimantan] – synonym of Sindora affinis
Saputangan [New Guinea] – synonym of Maniltoa browneoides
Saraca arborescens Burm. f. – synonym of Saraca indica
Saraca bijuga Prain – synonym of Saraca indica
Saraca confusa (Hassk.) Backer – synonym of Saraca asoca
Saraca crassifolia Ridley – synonym of Saraca declinata
Saraca elegans Ridley – synonym of Saraca declinata
Saraca elmeri Ridley – synonym of Saraca declinata
Saraca indica auct. non L. – synonym of Saraca asoca
Saraca indica var. bijuga Gagn. – synonym of Saraca indica
Saraca indica var. zollingeriana (Miquel) Gagn. – synonym of Saraca indica
Saraca kunstleri Prain – synonym of Saraca indica
Saraca lanceolata Merr. – synonym of Saraca declinata
Saraca latistipulata Prain – synonym of Leucostegane latistipulata
Saraca longistyla Ridley – synonym of Saraca declinata
Saraca macroptera Miquel – synonym of Saraca declinata
Saraca macroptera var. parviflora Prain – synonym of Saraca declinata
Saraca macroptera var. typica Prain – synonym of Saraca declinata
Saraca minor (Zoll. & Mor.) Miquel – synonym of Saraca indica
Saraca minor var. bijuga Prain – synonym of Saraca indica
Saraca minor var. typica Prain – synonym of Saraca indica
Saraca palembanica (Miquel) Baker – synonym of Saraca declinata
Saraca triandra auct. non (Roxb.) Baker – synonym of Saraca declinata
Saraca zollingeriana Miquel – synonym of Saraca indica
Sarau [Malay Peninsula] – synonym of Bauhinia integrifolia
Sasoendoer [East Kalimantan] (Lower Dayak) – synonym of Sindora beccariana
Schizolobium excelsum Vogel – synonym of Schizolobium parahyba
Schizoscyphus roseus (K. Schumann) Warb. – synonym of Maniltoa rosea
Schizosiphon roseus K. Schumann – synonym of Maniltoa rosea
Sekoyah [Malay Peninsula] – synonym of Bauhinia bidentata
Senna absus (L.) Roxb. – synonym of Chamaecrista absus
Sepeteh [Malay Peninsula] – synonym of Sindora siamensis
Sepetir paya [Timber trade name] – synonym of Copaifera palustris
Sepetir [Timber trade name] – synonym of Sindora beccariana
Sepetir [Timber trade name] – synonym of Sindora bruggemanii
Sepetir [Timber trade name] – synonym of Sindora coriacea
Sepetir [Timber trade name] – synonym of Sindora echinocalyx
Sepetir [Timber trade name] – synonym of Sindora galedupa
Sepetir [Timber trade name] – synonym of Sindora inermis
Sepetir [Timber trade name] – synonym of Sindora irpicina
Sepetir [Timber trade name] – synonym of Sindora leiocarpa
Sepetir [Timber trade name] – synonym of Sindora wallichii
Sepoetih minjak [Malay Peninsula] – synonym of Sindora coriacea
Serianthes gigalobium Kostermans – synonym of Sympetalandra unijuga
Sindoer (Dayak) [East Kalimantan] – synonym of Sindora bruggemanii
Sindora intermedia (Baker) Prain – synonym of Sindora wallichii
Sindora wallichii auct. non Bentham – synonym of Sindora echinocalyx
Sindora wallichii auct. non Bentham – synonym of Sindora supa
Sindora wallichii var. intermedia auct. non Baker – synonym of Sindora supa
Sindora wallichii var. intermedia Baker – synonym of Sindora wallichii
Sindora wallichii var. siamensis (Teijsmann ex Miquel) Baker – synonym of Sindora siamensis
Sinteng hutan [Malay Peninsula] – synonym of Senna timoriensis
Soeda Koira – synonym of Sindora irpicina
Somite [Sunda Islands] – synonym of Bauhinia pottsii
Sukasari (Tobelo) [Halmahera]. – synonym of Bauhinia lingua
Sympetalandra borneensis auct. non Stapf – synonym of Sympetalandra hildebrandii
Sympetalandra borneensis auct. non Stapf – synonym of Sympetalandra unijuga
Syntype: Teijsmann s.n. (L iso), W Sumatra. – synonym of Acrocarpus fraxinifolius
Syntypes: Clemens 21289 (L), Sarawak; bb 8981 (BO, n.v.), Sumatra; Exp. Nieuwenhuis 1424 & 1509 (BO, n.v.), – synonym of Afzelia rhomboidea
Syntypes: Herb. Linn. 529/1 (LINN); Herb. Hermann 4, fol. 50, 5; fol. 26; 436 (BM); Herb. Hermann – synonym of Caesalpinia pulcherrima
Syntypes: Hullett 312 (CAL, n. v.), Haviland s. n. (CAL, n. v.), Beccari PB 916 (K iso), all Sarawak. – synonym of Saraca hullettii
Syntypes: King's Coll. (Kunstler) 2749 (n. v.), 2382 & 4059 (K, L), 7221 (K, L); Wray 2152 (n. v.); Scortechini – synonym of Saraca indica
Syntypes: Koorders 16855--16862, 29480 (BO holo; most iso in L), Celebes. – synonym of Gleditsia rolfei
Syntypes: Krug 278, Portorico; Eggers 322, St Thomas. – synonym of Bauhinia monandra
Syntypes: Ledermann 7441 & 8652 (K, photos in L), Schlechter 14219 (K, photo in L), New Guinea. – synonym of Intsia palembanica
Syntypes: Ledermann 7857, 7895, 10616 (B holo, lost; no duplicates found), Papua New Guinea (Sepik region). – synonym of Maniltoa megalocephala
Syntypes: Nieuwenhuis 947 (BO), Kalimantan; Anonymus s. n. (BO), cult. Java, Bot. Gard. Bogor, no. I-B-90, origin – synonym of Endertia spectabilis
Syntypes: Ridley 3089 (K holo; L photo), 8006, both Perak. – synonym of Leucostegane latistipulata
Syntypes: Wallich Cat. no. 5983 & 8089 (K), Penang I. – synonym of Crudia curtisii wallichii
Syntypes: Wray 3983, 3991, 4261 (SING), Malaya, Perak. – synonym of Caesalpinia parviflora