| Name | Structure/ Category | Description |
|---|---|---|
| Monadelphous | united by the filaments into one group usu. forming a tube around the gynoecium | |
| Monocarpic | bearing fruit but once and dying--used esp. of annual and biennial flowering plants; compare century plant | |
| Monocarpous | having a single ovary | |
| Monoclinous | having the stamens and pistils in the same flower | |
| Monoecious | Plant species that produce both male and female flowers, but not perfect flowers, on the same plant. An example of a monoecious species is Xanthium strumarium (Common Cocklebur | |
| Monophyletic | developed from a single common parent form | |
| Monopodial | having or involving offshoots from a main axis | |
| Motile | exhibing or capable of movement | |
| Mucronate | [Leaf apices, Leaflet apices, Petal apices, Phyllary apices, Sepal apices] {shape} | Ending abruptly in a short, hard point. (Compare with apiculate, aristate and caudate.) |
| Multilocular | With more than one interior compartment or locule. |
