1. Fabaceae(Mimosoideae)

2. Mimosoideae Consists of herbs, shrubs, trees, or vines, with spines sometimes present

3. Roots Sometimes have a symbiotic association with nitrogen-fixing bacteria, which induce formation of root nodules

4. Leaves Usually compound - pinnate, bipinnate, trifoliolate, rarely palmate sometimes simple or unifoliolate usually spiral basal pulvini often present leaflet folding responses (e.g., Mimosa spp.) Generally stipulate, sometimes stipellate

6. bisexual, sometimes unisexual

8. Fruit Generally a legume sometimes indehiscent, winged (samara), drupe-like or divided into transverse partitions (loment)

9. Anther Longitudinal, rarely poricidal in dehiscence

10. Gynoecium Unicarpellous Superior ovary 1 (rarely 2 or more) carpel 1 locule Style and stigma are solitary Marginal placentation Ovules are anatropous, bitegmic Nectaries often present

11. Androecium Stamens are numerous, distinct and basally fused

12. Mimosa Pudica also known as Makahiya, Sensitive plant, or Touch-me-not Leaves bipinnately compound, with 1 or 2 pinnaepairs, 10-26 leaflets per pinna Pedunculatepale pink or purple flower heads arise from leaf axils