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Crataegus (/ k r ə ˈ t iː ɡ ə s /), [2] commonly called hawthorn, quickthorn, [3] thornapple, [4] May-tree, [5] whitethorn, [5] Mayflower or hawberry, is a genus of several hundred species of shrubs and trees in the family Rosaceae, [6] native to temperate regions of the Northern Hemisphere in Europe, Asia, North Africa and North America.
Unlike ordinary hawthorn trees, it flowers twice a year (hence the name "biflora"), the first time in winter and the second time in spring. The trees in the Glastonbury area have been propagated by grafting since ancient times. [1] The tree is also widely called the holy thorn, though this term strictly speaking refers to the original ...
Crataegus pennsylvanica, known as the Pennsylvania thorn, [2] is a species of hawthorn native to Delaware, New York, North Carolina, Ontario, Ohio, and Pennsylvania, [2] that grows to about 8 m in height. [2] The mature trees have few thorns. [2]
Crataegus persimilis is a species of hawthorn, known by the common names plumleaf hawthorn and broad-leaved cockspur thorn, native to southern Ontario, Canada, and the US states of New York, Pennsylvania, Ohio, Kentucky, West Virginia, and Virginia. It is widely cultivated, particularly in Europe, as an ornamental.
The flowers are white and have a scent generally considered unpleasant. The fruits are small pomes that vary in colour, usually a shade of red. [3] Most wild varieties [specify] of the tree are heavily armed in sharp thorns several centimeters long. [citation needed] A Cockspur Thorn tree in flower, Oxfordshire UK, 5th May 2022.
Crataegus texana, the Texas hawthorn, is a member of the family Rosaceae. Typically, it is found in the form of a small tree or a large shrub and blooms in early spring, usually in the months of March and April. [2] Flowers of the Texas Hawthorn are white and usually produce small, one-inch, scarlet fruits that are said to resemble tiny red apples.
The white flowers are borne in clusters at the end of the branches in spring. The bright red edible fruit ripens in late summer and early fall [5] and falls soon after. This species is a target of Gypsy moths. Leaf rusts and fire blight are among the many foliage diseases to affect this species. The sharp thorns are a hazard. [citation needed]
Crataegus monogyna, known as common hawthorn, whitethorn, one-seed hawthorn, or single-seeded hawthorn, is a species of flowering plant in the rose family, Rosaceae. It grows to about 10 metres (33 feet) tall, producing hermaphrodite flowers in late spring. The berry-like pomes (known as haws) contain a stone-encased seed.