| Characters Scientific name | Stem diameter (length × width) (mm) | Fresh stem shape | Number of successive cambia layers | Segment number of the first secondary xylem | Min-max vessels diameter (μm) | Mean diameter of vessels (mean ± SD, n = 25) (μm) | Directional successive cambia (+/−) | Cambial arc/ segment (+/−) | Cork (+/−) |
| Argyreia akoensis | 4.2 × 4.0, 9.5 × 9.4 | round | 2 - 3 | 3 | 47 - 139; 134 - 299 | 79 ± 21; 198 ± 47 | − | − | − |
| Argyreia formsana | 4.2 × 4.2, 5.0 × 4.8 | elliptic | 2 | 3 | 65 - 149; 61 - 199 | 100 ± 23; 124 ± 35 | − | − | + |
| Distimate tuberosa | 39.4 × 32.4 | oblong | 2 | 3 | 238 - 459 | 336 ± 55 | − | + | − |
| Erycibe henryi | 7.2 × 7.0, 18.6 × 17.1 | round | 3 - 4 | numerous | 63 - 123;101 - 228 | 142 ± 31; 91 ± 17 | − | + | − |
| Ipomoea alba | 18.5 × 12.6 | irregular | 2 | 3 | 109 - 302 | 206 ± 50 | − | − | − |
| Ipomoea cairica | 17.9 × 15.9 | irregular | 3 | 5 | 128 - 302 | 178 ± 39 | − | + | + |
| Ipomoea hederifolia | 5.5 × 2.4, 6.4 × 5.7 | 2-3 lobed | 2 - 3 | 2 - 3 | 75 - 177; 61 - 158 | 123 ± 27; 117 ± 27 | + | + | − |
| Ipomoea indica | 11.0 × 7.3 | irregular | 2 | 5 | 72 - 228 | 137 ± 34 | − | − | − |
| Ipomoea littoralis | 5.3 × 5.2 | triangular | 2 | 3 | 83 - 231 | 149 ± 35 | − | − | + |
| Ipomoea nil | 7.4 × 7.3 | round | 1 | numerous | 104 - 226 | 157 ± 35 | − | − | − |
| Ipomoea obscura | 12.3 × 10.4 | irregular | 4 | 4 | 40 - 105 | 70 ± 16 | + | + | + |
| Ipomoea pescaprae subsp. brasiliensis | 17.5 × 17.2 | oblong | 3 | numerous | 82 - 245 | 151 ± 36 | − | + | + |
| Ipomoea triloba | 6.8 × 4.3, 10.3 × 9.4 | irregular | 2 - 4 | numerous | 94 - 175; 39 - 157 | 143 ± 20; 83 ± 37 | + | + | + |
| Ipomoea violacea | 7.5 × 7.4 | oblong | 1 | 2 | 64 - 272 | 170 ± 51 | − | − | − |
| Merremia gemella | 4.4 × 2.0 | tri-lobed | 2 | 3 | 46 - 215 | 127 ± 37 | + | − | − |
| Operculina turpethum | 29.9 × 26.7 | round | 3 | 3 | 104 - 295 | 198 ± 46 | − | + | − |
| Stictocardia tiliifolia | 7.9 × 6.6 | triangular | 2 | 4 - 5 | 125 - 247 | 182 ± 33 | − | − | − |