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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.
Crataegus monogyna, known as common hawthorn, 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.
The hermaphrodite flowers are produced in corymbs of 6 to 12, each flower with five white or pale pink petals and two or sometimes three styles. The flowers are pollinated by insects. The fruit is a dark red pome 6–10 mm (0.2–0.4 in) diameter, slightly broader than long, containing two or three nutlets. [citation needed] Crataegus laevigata ...
Crataegus mollis, known as downy hawthorn or red hawthorn, is a species of plant that occurs in eastern North America from southeastern North Dakota east to Nova Scotia and southwest to eastern Texas. The range of this species is from southern Ontario and Michigan to eastern North Dakota and southward to Denison, Texas, and Arizona. [3]
Crataegus submollis, known as the northern downy hawthorn, [2] northern red haw, [2] Quebec hawthorn, [3] or hairy cockspurthorn, [4] is a species of hawthorn that grows to about 7 m in height [2] and typically carries large crops of red fruit. [5] This species is closely related to C. mollis, but the two species have separate native ranges. [5]
Crataegus triflora is an uncommon hawthorn species of the south-eastern United States, of known by the common name three-flowered hawthorn. It is a multi-stemmed shrub 3 to 5 metres (10 to 16 feet) tall. [1] The flowers are quite large for hawthorn flowers, and occur in small clusters (not necessarily exactly three to a cluster).
Crataegus macrosperma, the bigfruit hawthorn is a species of hawthorn native to most of the eastern United States and adjacent Canada, though uncommon at lower altitudes in the south. It is sometimes misidentified as C. flabellata . [ 2 ]
The inflorescences in panicles or terminal of clusters, with many or few flowers; pedicels and peduncles rusty-tomentose; bracts and deciduous bracteoles. Flowers 1–1.5 cm in diameter. The petals white or pink, obovate or lanceolate, 5–7 × 4–5 mm, pubescent basal, obtuse apex. Stamens 15, as long or shorter than the petals. [2]