- structure in seed cones in which the female gametophytes develop
- hollow plant cell in xylem with thick cell walls strengthened by lignin
- vascular tissue that carries water upward from the roots to every part of the plant
- any of a group of seed plants that bear their seeds within a layer of tissue that protects the seed; flowering plant
- male reproductive structure in some plants; produces sperm
- spore capsule in which haploid spores are produced by meiosis
- structure in plants that produces egg cells
- vein tubules that carry glucose away from a leaf
- vascular tissue that carries water to leaf cells
- ground tissue of a leaf containing chloroplasts
- rounded mesophyll cells with air spaces between
- inner layer of the leaf where photosynthesis occurs, tall and closely packed mesophyll cells
- many leaflets per petiole type of leaf
- leaf "stalk" that connects blade to stem
- may be either pinnate, palmate, or dichotomous
- region where petiole joins leaf to stem
- Waxy, waterproof covering of the leaf
- describes a leaf blade with large projections
- evaporation of water through open stomata in a leaf
- type of leaf with one blade per petiole