A birch is a thin-leaved deciduous hardwood tree of the genus Betula (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus Betula contains 30 to 60 known taxa of which 11 are on the IUCN 2011 Red List of Threatened Species. They are a typically rather short-lived pioneer species widespread in the Northern Hemisphere, particularly in northern areas of temperate climates and in boreal climates.
Birch species ...
הקלד סימפטום או מחלה וקרא על צמחי מרפא שעשויים לעזור, הקלד עשב וראה מחלות ותסמינים שהוא משמש נגד.
* כל המידע מבוסס על מחקר מדעי שפורסם