The difference between Rosaceae and Amarathaceae are:

Rosaeae:

1. Systematic position : This family belongs to order rosales of sub : classpolypetalae of dicotyledonous.

2. Distribution : 3200 species under 115 genera widely distributed in temperate zone.

3. Habit : Mostly shrubs, many are trees and climbers perennial.

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4. Stem : Shruby often with spites woody or herbaceous and some are trailing.

5. Leaves : Simple or pinnately compound stipulate alternate.

6. Inflorescence : Solitary or grouped into coymose or racemose corymb showy.

7. Flower : Regular complete bisexual hypogenous or peignoirs or epigenous ebracteate, showy.

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8. Clalyx : Sepals five united adnate to receptacle, valvet.

9. Corolla : Petals five or numerous, pentamerous free inbricate large showy inserted in receptacular cup.

10. Androecium : Stamens many free commonly borne serval cycles of 5 on the rim of the rorus.

11. Gynoecium : Carpel one to five or mor efree or varioulsy unifed supperior some times inferior styles many as carpels ovules one or two in basal or many ovules in axile.

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12. Fruit : Variable drupe or pome of etario of drupes or folicles.

Amarantaceae:

1. Systematic position : This family belongs to series curvembryeae of subclass monodhalamydae of dicotyledonae.

2. Distribution : There are 800 species under 64 genera distributed in tropical zone.

3. Habit : Exclusively herbs, annual or perennials.

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4. Stem : Erect or subcadent and herbaceous.

5. Leaves : Simple soft estipulate alternate or opposite.

6. Inflorescence : Flower small in branched spike or receme borne in or simple or branched axis. Flowers intermingled with coloured bracts.

7. Flower : Small dry regular bracteolate bracteates bisexual hypogymous.

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8. Clalyx : Not distinct perianths present.

9. Corolla : Perianth with 3-5 lobes sepaloid often hairy sometimes persitent to cover the seed.

10. Androecium : Stemens usually five opposite to perianth lobe free or united at base, staminodes sometimes present.

11. Gynoecium : Carpels 2-3 syncarpus superior ovary single pendulus erect wvule in basal placentation.

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12. Fruit : Dry one seeded nut or a capsule seed endopermous.