describing leaves and stems

1. Describing Leaves and
Stems

2. Let’s start with a look at
some interesting leaves!
Talk with your partner about
the pictures that you see.

8. •There are different ways to describe leaves.
•We will look at the differences between three pairs of
leaves.

9. The Lotus leaf is
round.
The corn leaf is
long and thin.

10. The Persimmon
leaf is smooth
and oval.
The cherry leaf is
serrated and
oval.

11. Serrated means
the edge of the
leaf has many
small, sharp
points.

12. This is an oval.
An Oval is a kind
of shape like a
circle, square or
triangle.

13. Maple
One leaf
Wisteria
Many leaves

14. •There are different ways to describe the position of
leaves on a stem.
•Position means- where the leaf is on the stem.
•We will look at three words to describe the position of
leaves on a stem.

15. Alternate:
One leaf grows from
each node on the
stem.
node
stem

16. Opposite:
Two leaves grows
from each node on
the stem.
node
stem

17. Whorled:
More than two
leaves grow from
each node on the
stem.
node
stem

18. Look at the leaves and
describe the leaf position!

19. Whorled

20. Opposite

21. Whorled

22. Alternate

23. Opposite

24. Alternate

25. Now complete the worksheet.
I will hang the answers up in the
back of the room.

28. Types of Stems
• There are different types of plant stems.

29. Straight Stem
• The Balsam plant has a straight stem.
• Straight stems support themselves.

30. Climbing Stem
• The Morning Glory has a climbing stem.
• Climbing stems wrap around other things to
support themselves.

31. Trailing Stems
• Strawberries have trailing stems.
• Trailing stems grow along the ground.

32. Homework!
• For homework complete pages 20 - 23