Plant Anatomy Flashcards
What are meristems?
plant stem cells
What do meristems divide by?
mitosis
What is primary growth?
growing taller
What are apical meristems?
primary meristems (at tips and roots)
What are the 3 primary meristems?
- protoderm
- procambium
- ground meristem
What is the protoderm meristem?
meristem that gives rise to dermal tissue
What is the ground meristem?
meristem that gives rise to ground tissue
What is the procambium meristem?
meristem that gives rise to vascular tissue
Where are “backup” meristems located?
in axillary buds (remain dormant until needed)
What are intercalary meristems?
primary meristems that add to internode length
What are lateral meristems?
meristems that influence diameter of a plant
What type of growth do lateral meristems participate in?
secondary growth
What are the two types of lateral meristems?
- vascular cambium
- cork cambium
What does cambium mean?
meristem
What does a vascular cambium do?
produces phloem outwards and xylem inwards
What does the cork cambium do?
forms outer cortex (cork)
What is suberin?
impermeable wax that cork cells have
What is the root system?
everything underground
What is the shoot system?
everything above ground
What is an internode?
distance between 2 nodes
What are the three types of plant tissues?
- dermal
- ground
- vascular
What cell components make up the dermal tissue?
- epidermis
- periderm