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The Rose family - rosaceae - comprises about 3000 species of plants mainly spread in temperate countries. They are herbs, trees, shrubs and climbing plants. some of them are very important as edible fruit trees ( Almonds, cherries, apples, pears, etc.) or as cultivated flowers ( roses, for example )

Leaves ( 1 ) : Generally alternate, composite or simple with stipules.
Stems ( 2 ): Very changing .Erect or climbing. Ligneous or herbaceous.
Flowers : (3)

Regular, generally with 5 segments in each verticil. In some genera 4.
Calyx : 5 free sepals

Corolla : 5 free petals.
Stamens : Many
Ovary : Inferior o semi inferior
Carpels : Many
 
Fruit:

Drupes (4),poms(5)and achenes(6)


GENERA

The most important ones are the following:

AGRIMONIA
ALCHEMILLA
AMELANCHIER
APHANES
ARUNCUS
COTONEASTER
CRATAEGUS
CYDONIA
DRYAS
ERIOBOTRYA
FILIPENDULA
FRAGARIA
GEUM
MALUS
MESPILUS
POTENTILLA
PRUNUS
PYRACANTHA
PYRUS
ROSA
RUBUS
SANGUISORBA
SIBBALDIA
SORBUS
SPIRAEA

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