Let me share with you a difference between mimosaceae and poaceae.
| Aspect | Mimosaceae | Poaceae |
| Common name | Acacia family | Grass family |
| Leaves | Compound leaves, often with paired leaflets | Simple, alternate leaves with parallel venation |
| Stipules | Often present, may be modified into prickles or glands | Usually absent or very small |
| Inflorescence | · Often in heads or spikes · Sometimes racemes or panicles | · Panicles · Spikes · Racemes · Heads |
| Flowers | Typically small, with 4-5 petals, radial symmetry | Inconspicuous, often wind-pollinated, lacking showy petals |
| Type of fruit | Pods (legumes) are common, sometimes with constrictions between seeds | Caryopsis (grain) with a single seed enclosed by the fruit wall |
| Stamens | Numerous | Usually three |
| Economic Importance | Some species have economic value as timber, forage, or as ornamental plants | Major food crops (wheat, rice, corn), forage and turf grasses |
| Common genera | · Acacia (wattle) · Albizia · Mimosa | · Poa (bluegrass) · Zea (corn) · Triticum (wheat) |
| Distribution | Widespread, found in a variety of habitats globally | Globally distributed, from tropical to temperate regions |