Question

Use the dichotomous key to identify the plant you sketched and labeled in Part I.

1A Flowers. . . . . . . . . . . . . Go to line 2

1B No flowers . . . . . . . . . . . Go to line 3

2A Has needlelike leaves. . . . . . Flowering cactus

2B No needlelike leaves . . . . . . Go to line 4

3A Cones. . . . . . . . . . . . . . Pine tree

3B No cones . . . . . . . . . . . . Go to line 4

4A One leaf per node . . . . . . . Go to line 5

4B More than one leaf per node . . Go to line 6

5A Parallel venation . . . . . . . Lily

5B Palmate venation . . . . . . . . Urena heterophylla

6A Two leaves per node . . . . . . Go to line 7

6B More than two leaves per node . Go to line 8

7A Smooth edge . . . . . . . . . . Euphorbia hyberna

7B Toothed edge . . . . . . . . . . Viburnum

8A Smooth edge . . . . . . . . . . Lysimachia vulgaris

8B Toothed edge . . . . . . . . . . Ageratum conyzoides

Answer 1

The flower is called Ageratum Conyzoides also known as billygoat weed