| Apocynaceae | |
Stemmadenia abbreviata
| J.F. Morales | Novon 9(2): 236 | 1999 |
| Apocynaceae | |
Stemmadenia alfaroi
| (Donn. Sm.) Woodson | Ann. Missouri Bot. Gard. 15(4): 360 | 1928 |
| Apocynaceae | |
Stemmadenia allenii
| Woodson | Ann. Missouri Bot. Gard. 28(4): 461–462 | 1941 |
| Apocynaceae | |
Stemmadenia bella
| Miers | Apocyn. S. Amer. 77 | 1878 |
| Apocynaceae | |
Stemmadenia bignoniiflora
| (Schltdl.) Miers | Apocyn. S. Amer. 77 | 1878 |
| Apocynaceae | |
Stemmadenia brasiliensis
| Leeuwenb. | Revis. Tabernaemontana 2: 401, 403–405, f. 101, map 54 | 1994 |
| Apocynaceae | |
Stemmadenia calycina
| Brandegee | Univ. Calif. Publ. Bot. 10(2): 188 | 1922 |
| Apocynaceae | |
Stemmadenia cerea
| Woodson | Bull. Torrey Bot. Club 75(5): 557 | 1948 |
| Apocynaceae | |
Stemmadenia decipiens
| Woodson | Ann. Missouri Bot. Gard. 15(4): 363 | 1928 |
| Apocynaceae | |
Stemmadenia donnell-smithii
| (Rose) Woodson | Ann. Missouri Bot. Gard. 15(4): 369–371 | 1928 |
| Apocynaceae | |
Stemmadenia eubracteata
| Woodson | Ann. Missouri Bot. Gard. 15(4): 368, t. 49, f. 2 | 1928 |
| Apocynaceae | |
Stemmadenia galeottiana
| (A. Rich.) Miers | Apocyn. S. Amer. 76 | 1878 |
| Apocynaceae | |
Stemmadenia glabra
| Benth. | Bot. Voy. Sulphur 124–125, pl. 44 | 1844 [1845] |
| Apocynaceae | |
Stemmadenia grandiflora
| (Jacq.) Miers | Apocyn. S. Amer. 75–76 | 1878 |
| Apocynaceae | |
Stemmadenia greenmanii
| Woodson | Ann. Missouri Bot. Gard. 15(4): 360–361, t. 48, f. 2 | 1928 |
| Apocynaceae | |
Stemmadenia guatemalensis
| Müll. Arg. | Linnaea 30(4): 410–411 | 1860 |
| Apocynaceae | |
Stemmadenia hannae
| M. Méndez & J.F. Morales | Candollea 60(2): 354, f. 8A | 2005 |
| Apocynaceae | |
Stemmadenia insignis
| Miers | Apocyn. S. Amer. 76, t. XB | 1878 |
| Apocynaceae | |
Stemmadenia lagunae
| Woodson | Ann. Missouri Bot. Gard. 29(4): 364–365 | 1942 |
| Apocynaceae | |
Stemmadenia leeuwenbergiana
| J.F. Morales | Novon 9: 238 | 1999 |
| Apocynaceae | |
Stemmadenia litoralis
| (Kunth) L. Allorge | Mém. Mus. Natl. Hist. Nat., B, Bot. 30: 48 | 1985 |
| Apocynaceae | |
Stemmadenia macrantha
| Standl. | Publ. Field Mus. Nat. Hist., Bot. Ser. 4(8): 253 | 1929 |
| Apocynaceae | |
Stemmadenia macrophylla
| Greenm. | Proc. Amer. Acad. Arts 35(16): 310 | 1900 |
| Apocynaceae | |
Stemmadenia minima
| A.H. Gentry | Ann. Missouri Bot. Gard. 64(2): 322 | 1977 [1978] |
| Apocynaceae | |
Stemmadenia mollis
| Benth. | Bot. Voy. Sulphur 125–126 | 1844 [1845] |
| Apocynaceae | |
Stemmadenia nervosa
| Standl. & L.O. Williams | Ceiba 3(2): 126 | 1952-1953 [1952] |
| Apocynaceae | |
Stemmadenia oaxacana
| L.O. Alvarado | Candollea 62(2): 190–191, f. 1 | 2007 |
| Apocynaceae | ** |
Stemmadenia obovata
| K. Schum. | Nat. Pflanzenfam. 4(2): 149 | 1895 |
| Apocynaceae | |
Stemmadenia palmeri
| Rose & Standl. | Contr. U.S. Natl. Herb. 23(4): 1156 | 1924 |
| Apocynaceae | * |
Stemmadenia palmeri
| Rose ex Greenm. | Proc. Amer. Acad. Arts 35: 311 | 1900 |
| Apocynaceae | |
Stemmadenia pauciflora
| Woodson | Ann. Missouri Bot. Gard. 15(4): 366–367, t. 49, f. 1 | 1928 |
| Apocynaceae | |
Stemmadenia pauli
| Leeuwenb. | Revis. Tabernaemontana 2: 428–430, f. 107, photo 12–13, map 50 | 1994 |
| Apocynaceae | |
Stemmadenia pennellii
| Woodson | Ann. Missouri Bot. Gard. 15(4): 367–368 | 1928 |
| Apocynaceae | |
Stemmadenia pubescens
| Benth. | Bot. Voy. Sulphur 125 | 1844 [1845] |
| Apocynaceae | |
Stemmadenia robinsonii
| Woodson | Ann. Missouri Bot. Gard. 15(4): 369 | 1928 |
| Apocynaceae | |
Stemmadenia rugosa
| M.E. Jones | Contr. W. Bot. 18(exract): 67 | 1933 |
| Apocynaceae | |
Stemmadenia simulans
| J.F. Morales & Q. Jiménez | Novon 9(2): 236–238, f. 1 | 1999 |
| Apocynaceae | |
Stemmadenia sinaloana
| Woodson | Ann. Missouri Bot. Gard. 15(4): 356, t. 48, f. 1 | 1928 |
| Apocynaceae | |
Stemmadenia stenoptera
| Leeuwenb. | Revis. Tabernaemontana 2: 432, f. 108, map 54 | 1994 |
| Apocynaceae | |
Stemmadenia tomentosa
| Greenm. | Proc. Amer. Acad. Arts 35(16): 310–311 | 1900 |
| Apocynaceae | |
Stemmadenia venusta
| J.F. Morales | Candollea 60(2): 360–361, f. 13, 14 | 2005 |