Classification of weeds Flashcards
1
Q
grass weeds
A
- hollow, rounded stems and nodes that are closed and hard
* leaf blades have parallel veins, and longer than wide, and they alternate on the stem
2
Q
broad leaf weeds
A
normally have showy flowers and net-like veins in their leaves
3
Q
sedges
A
- grass-like weeds
* solid triangular shaped stem with leaves extending in three different directions
4
Q
annual weeds
A
complete their life cycle in one year
5
Q
biennial weeds
A
- weeds with a two-year life cycle
* produce seed only in the second year
6
Q
perennial weeds
A
- weeds that live more than two years
* reproduce by vegetative parts
