- Life cycle
Annuals - complete their life cycle in only one season.
Biennuals - complete their life cycles in two seasons only.
Perennials - complete their life cycle in more than two seasons.
- Morphology
leaf formation such as size, shape and venation.
Broad leaved weeds for example black jack, lantana, pig weed, oxalis and others.
Narrow leaved weeds for example couch grass, setaria, nut-grass, manyatta grass and others.
- Habitat
some weeds are terrestrial (grow on land) while others are aquatic (grow on aquatic/marine conditions).
Kavungya answered the question on March 28, 2019 at 07:16
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