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Epidermis
- outermost layer of cells
- protective barrier between plant and environment
- regulates gas and water exchange with environment
- 1 cell thick
- may have waterproof, waxy cuticle
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xylem
- conducts water and minerals
- mechanical support
- tracheas, vessel elements, fibers, parenchyma
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phloem
- conducts dissolved organic compounds (sugars)
- sieve tube members, companion cells, fibers, parenchyma
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Merstimatic cells don't differentiate while non-merstimatic cells differentiate
merstimatic produces non-merstimatic
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Apical meristems
- primary meristem
- located at the tips of shoots and in axillary buds
- produce tissues of primary plant body
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Vascular cambium
- cylindrical located from near stem tip to root tip
- produces secondary wood and inner bark
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Cork cambium
- outside of the vascular cambium
- produces outer bark
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