Acmostemon
| Acmostemon Pilger, Notizbl. Bot. Gart. Berlin-Dahlem 13: 106. 1936. | | TYEP: Acmostemon angolensis Pilger 1936. |
Adamboe
| Adamboe Rafinesque, Fl. Tellur. 4: 73. 1838 ("1836"), non Adanson 1763. | | TYPE: Adamboe bicolor Rafinesque, nom. illegit. (Ipomoea campanulata Linnaeus) |
Amphione
| Amphione Rafinesque, Fl. Tellur. 4: 79. 1838 ("1836"). | | TYPE: Amphione lobata Rafinesque 1838, nom. illegit. (Ipomoea triloba Linnaeus 1753.) Typified by Manitz, Feddes Repert 85: 629. 1974. |
Apopleumon
| Apopleumon Rafinesque, Fl. Tellur. 4: 72. 1838 ("1836"). | | TYPE: Apopleumon bignonioides (Sims) Rafinesque (Ipomoea bignonioides Sims) |
Argyreia
| Argyreia Loureiro, Fl. Cochinch. 95, 134. 1790. | | TYPE: Argyreia obtusifolia Loureiro Lectotypified by Merrill, Trans. Amer. Philos. Soc., ser. 2. 24: 329. 1935. |
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