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Midland Hawthorn
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Crataegus laevigata, known as the midland hawthorn, woodland hawthorn or mayflower, is a species of Hawthorn native to western and central Europe, from Great Britain (where it is uncommon, and largely confined to the Midlands) and Spain east to the Czech Republic and Hungary.
It is a large shrub or small tree growing to 8 m (rarely to 12 m) tall, with a dense crown. The leaves are 2-6 cm long and 2-5 cm broad, with 2-3 shallow, forward-pointing lobes on each side of the leaf.

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Encyclopedia
Crataegus laevigata, known as the midland hawthorn, woodland hawthorn or mayflower, is a species of Hawthorn native to western and central Europe, from Great Britain (where it is uncommon, and largely confined to the Midlands) and Spain east to the Czech Republic and Hungary.
It is a large shrub or small tree growing to 8 m (rarely to 12 m) tall, with a dense crown. The leaves are 2-6 cm long and 2-5 cm broad, with 2-3 shallow, forward-pointing lobes on each side of the leaf. The hermaphrodite flowers are produced in corymbs of 6-12, each flower with five white or pale pink petals and two or three styles, and are pollinated by midges. The fruit is a dark red pome 6-10 mm diameter, slightly broader than long, containing 2-3 seeds.
It is distinguished from the related Common Hawthorn C. monogyna in the leaves being only shallowly lobed, with forward-pointing lobes, and in the flowers having two or three styles, not just one. However they are inter-fertile and hybrids occur frequently; they are only entirely distinct in their more typical forms.
Taxonomy
In the past, Midland Hawthorn was widely but incorrectly known by the name Crataegus oxyacantha, a name that has now been rejected as being of uncertain application. Linnaeus introduced the name C. oxyacantha for the single species of which he was aware and it gradually became used for various species, including both the Midland and the Common Hawthorn. In 1775 the Austrian botanist Jacquin formally separated the Common Hawthorn, naming it C. monogyna, and this was confirmed in 1946 when J. E. Dandy showed that Linnaeus had actually observed and described a different plant, and this would be C. oxyacantha. However, confusion over the true identity of Crataegus oxyacantha remained (Byatt, 1974), and to avoid confusion, the name C. oxyacantha was formally rejected as ambiguous (Brummitt, 1986), although the name continues to be used informally. More recently, the Portuguese botanist Franco pointed out that the Midland Hawthorn was described botanically as a separate species as long ago as 1798 by the botanist Poiret, whose name Mespilus laevigata referred to this hawthorn. To reflect this, the botanical name of Midland Hawthorn is now C. laevigata (Poir.) DC.
See also
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