1. Scientific Identification & Classification

2. Plant Parts
Leaves
Stems
Roots
Flowers

3. Leaves-External
Petiole-leaf stalk or part that connects the leaf to the stem
Blade-the large, flat part of the leaf
Midrib-the large center vein
Veins-the structural framework of the leaf
Margin-the edge of the leaf

4. Leaves-External

5. Leaf Retention Evergreen-Leaves stay on the plant all year long
Deciduous-Leaves will fall off during the dormant periods
Herbaceous-leaves and stems die back at the end of the season

6. Leaf Type

7. Leaf Type

8. Leaf Shapes Cordate Elliptical Ovate Spatulate Deltoid Lanceolate
Liner

9. Leaf Margin

10. Leaf Arrangement
Alternate
Opposite
Whorled

11. Vein Pattern

12. Stems Movement of Materials
Support of the leaves and reproductive structures
Food storages
Reproduction with stem cuttings or grafting

13. Stems-External Lenticels Bud scale scars Leaf Scars Terminal bud
Axillary or lateral bud
Lenticels-breathing pores
Bud scale scars-show where terminal buds have been located (Distance b/t 2 scars shows one years growth.)
Leaf Scars-show where leaves were attached
Terminal bud-bud on the end of a stem
Axillary or lateral bud-bud on side of stem

14. Thorns & Prickles
Thorn
Prickle

15. Modified Stems
Stolon
Cladophyll
Tuber

16. Root Functions Anchor the plant and hold it upright
Absorb water and minerals from the soil and conduct them to the stem
Store large quantities of plant food
Propagate or reproduce some plants

17. Roots-External Root cap-indicates growth of new cells
Root hairs-absorb moisture (water) and minerals
Root images from a rice plant

18. Root Types
Fibrous Roots
Tap Root

19. Layers of Roots Fibrous-many branched shallow roots
are easier to transplant
Tap-long root with few branched ones
more difficult to transplant

20. Flowers
Sepals-Green parts that cover and protect flower bud before it opens
Petals-are really leaves that are modified to attract insects for flower pollination, the pretty part that we call flowers
Stamen-male part of the flower
Pistil-female part of the flower

21. Flowers

22. Parts of the Stamen Filament-short stalk that holds up the anther
Anther-a sac-like structure that contains pollen, the male sex cells

23. Parts of the Pistil
Stigma-sticky part on top of style where insects leave pollen
Style-holds up the stigma and connects it to the ovary
Ovary-if fertilized becomes a fruit or seed coat
Ovules-the eggs or female sex cells that become seeds if fertilized

24. Complete-vs-Incomplete
Complete flowers have both male and female parts
Incomplete flowers have only male or female parts

25. Monoeciuos All male or all female flowers on plant
Examples: Hollies or Ginkgo
Male Female

26. Dioecious Male and female, imperfect flowers on same plant
Examples: Squash & Pumpkin

27. Flower Types
Spike
Corymbs
Panicle

28. Flower Types
Umbel
Head

29. Plant Parts-Fruit Cones Nut (acorn) Clusters or drupes (raspberry)
Capsules (willow)
Samara (maple)

30. Fruits and Nuts
Acorns
Cones
Cluster
Drupe

31. Fruits and Nuts
Capsule
Samara
Pome

32. Life Cycle Annual-a plant that lives for only 1 year or less
Biennial-a plant that lives for 2 years, usually flowering in the second year
Perennial-a plant that lives for more than 2 years

33. Growth Habits Trees: greater than 12 feet tall
Shrubs: less than 12 feet tall
Vines: a plant that climbs & spreads

34. Growth Habits House Plant: plant grown indoors
Bedding Plant: a plant used in flowering beds

35. Forms of Plants: Growth Pattern
Spreading
Columnar
Weeping

36. Growth Forms
Round
Pyramidal
Oval