Letter - M

  • Margins - The edges of a leaf.
  • Mildew - A parasitic fungus that grows directly on a plant adversely affecting its growth.
  • Mold - Another type of fungus, usually parasitic, which grows on plants affecting their growth.
  • Mucigel - A protective coating produced by plant roots.

Letter - N

  • Nectar - A sweet liquid produced by a plants flowers.
  • Nutrient - A chemical needed by plants to survive.

Letter - O

  • Organ - A grouping of cells in a plant that perform a specific function.