ICP Forests Forest Focus Level II Phenology Birch

	Silver birch (Betula pendula Ehrh.)	Leaf appearance Flowering

Leaf appearance in silver birch

			Closed buds in silver birch
			The defined stage of leaf appearance in silver birch. The buds have flushed and the green of the new leaves are clearly visible
			After the defined stages of leaf appearance in silver birch. The new leaves are unfolded and the leaf blade is fully visible
	Photos: Eija Matikainen

Flowering in silver birch

The flowers of male (staminate) inflorescence (hanging catkins) are open and begin to release yellow pollen. (On windy days the release of pollen is visible).


	Photo: Teijo Nikkanen

Updated: May 25, 2004 /Emat

ICP Phenology:silver birch

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