15. betulaceae, birch, dicot

Question 1

betulaceae

Answer 1

birch family

Question 2

characteristics of betulaceae

Answer 2

dioecious trees
imperfect flowers
- male ; catkins
- female ; catkins or heads
fruits are nuts or nutlets
leaves alternate, simple, petiolate

Question 3

examples of betulaceae

Answer 3

alder, birch, hazelnut

native beaked hazelnut
european hazelnut
water birch
white alder

Question 4

birch bark

Answer 4

horizontal lines = lenticels, where the tree is breathing

Question 5

alder tree

Answer 5

distinctive female flowers
leaves shaped similar to birch
N fixation in roots - enrich soil