Hawthorn

ian Plants for Bees , ,

Hawthorn : Crataegus monogyna

Plant :  Hawthorn is good source of early spring pollen and nectar for honey bees.  Its is thick, twisted and thorny and is abundant in hedgerows, woodland and scrub lane in rural Northumberland.  It provides strong displays of tiny white flowers and often used for hedging, although individual trees can be large.

Flower : The flower is 15 mm in diameter.  It has 5 petals, approximately 20 stamens and a superior ovary.  It flower between May and June.

Pollen : The pollen load of ivy is dark yellow.  The grain is round but can appear triangular, due to its three furrow and pore type apatures.  It is 45 um in size.  The surface is smooth and the exine is thin.

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