| Macfadyena (Doxantha) unguis-cati |
Cat's Claw |
 |
| Maclura pomifera |
Osage Orange |
 |
| Magnolia grandiflora |
Bull Bay |
|
| Magnolia sinensis |
Green Tea |
|
| Mahonia aquifolia |
Oregon Grape |
|
| Malcolmia maritima |
Virginian Stock |
 |
| Malesherbia linearifolia |
Malesherbia |
 |
| Malope trifida grandiflora |
Annual Mallow |
|
| Malva moschata alba |
Musk Mallow |
|
| Malva sylvestris |
Mallow |
|
| Malvaviscus drummondii |
Sleeping Hibiscus |
|
| Mandevilla laxa |
Chilean Jasmine |
|
| Mandragora officinarum |
Mandrake |
|
| Mangifera indica |
Mango |
|
| Markhamia lutea |
Nile Tulip Tree |
|
| Matricaria inodora |
Scentless Mayweed, Corn Chamomile |
|
| Matthiola |
Stock |
|
| Matthiola arborescens |
Tree Stock |
|
| Matthiola incana |
Stock |
|
| Matthiola longifolia (bicornis) |
Night-scented Stock |
|
| Maurandella antirrhiniflora |
Climbing Snapdragon |
|
| Maurandya purpusii |
Trailing Snapdragon |
|
| Meconopsis (many) |
Himalayan Poppy |
|
| Meconopsis betonicifolia alba |
Blue Popppy, Himalayan Poppy |
|
| Meconopsis cambrica |
Welsh Poppy |
|
| Meconopsis horridula |
Blue Poppy |
|
| Medicago lupulina |
Black Meddick |
 |
| Medinilla magnifica |
Malaysian Orchid |
|
| Megaskapasma erythrochlamys |
Brazilian Red Cloak |
|
| Melaleuca (many) |
Tea Tree |
|
| Melia azadarach |
Bead Tree |
|
| Melianthus comosus |
Tufted Honeyflower |
 |
| Mentha piperata |
Peppermint |
|
| Mentha requienii |
Corsican Mint |
|
| Mertensia (many) |
Mertensia |
|
| Mertensia asiatica (simplicissima) |
Oyster Plant |
|
| Mertensia primuloides |
Mertensia |
|
| Mertensia pterocarpa (sibirica) |
Japanese Bluebells |
|
| Metrosideros excelsa |
New Zealand Christmas Tree |
|
| Michauxia tchihatcheffii |
Michauxia |
|
| Michelia champaca |
Joy Perfume Tree |
|
| Mimosa pudica |
Sensitive Plant |
|
| Mimosa uruguensis |
Mimosa |
|
| Mimulus (many) |
Monkey Flower |
|
| Mimulus hybrids |
Monkey Flower |
|
| Minuartia obtusiloba |
Alpine Sandwort |
|
| Mirabilis jalapa |
Four o'clock, Marvel of Peru |
|
| Mitraria coccinea |
Chilean Mitre Flower |
|
| Molucella laevis |
Bells of Ireland |
|
| Monarda (many) |
Bee Balm |
|
| Monarda didyma |
Bee Balm |
|
| Monstera deliciosa |
Swiss Cheese Plant |
|
Montbretia masoniorum |
Montbretia |
|
| Moraea |
Peacock Iris |
|
| Morinda citrifolia |
Great Morinda, Indian Mulberry |
|
| Moringo oleifolia |
Moringo |
|
| Mucuna albertisii |
Sea Bean |
|
| Murraya paniculata (exotica) |
Orange Jessamine, Mock Orange |
|
| Musa (many) |
Banana |
|
| Musa |
Banana |
|
| Musa ensete |
Abyssinian Banana |
|
| Musa glauca |
Snow Banana |
|
| Musa hookeri |
Banana |
|
| Musa lasiocarpa |
Chinese Yellow Banana |
|
| Musa nagensium |
Banana |
|
| Muscari (many) |
Grape Hyacinth |
|
| Muscari |
Grape Hyacinth, Baby's Breath |
|
| Mutisia (many) |
Climbing Daisy |
|
| Mutisia decurrens |
Climbing Daisy |
|
| Mutisia latifolia |
Mutisia |
|
| Myosotidium hortensia |
Chatham Island Forget-me-Not |
|
| Myosotis sylvatica |
Forget-me-Not |
|
| Myrica gale |
Bog Myrtle |
|
| Myrrhis odorata |
Sweet Cicely |
|
