Macros, in composition, long, large.

Mono, in compounds, signifies one.

Monocarpic

Flowering and fruiting only once.

Monocotyledonous

Having one seed-leaf.

Monoecious

Sexes in separate flowers on the same individual.

Mucronate

Terminating in a short hard point.

Multi, in compounds, signifies many.

Mutabilis

Changeable.

Niger

Black.

Nitidus

Smooth and shining.

Nivalis

From snowy regions.

Niveus

Snowy white.

Nudus

Naked.

Nutans

Drooping, nodding.