Plant Type Based on Size --
Herbs Characterstic
1- Short height
2- Green & Soft stem
3-May or may not have branches.
Shrubs
1- Neither too short Nor too tall.
2- Hard wood thin stem.
Trees
1- Very Tall
2- Strong thick brown stems
3-Branches are many & towards upper part of stem. 
Climbers are plant with weak stem that need support to climb up and grow.Example include money plant.
Whereas...
What is the difference between creepers and climbers?
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