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A characteristic useful for identification is that the young leaves emerge downy on the underside. The fall color is variable, from orange-yellow to pinkish or reddish. [5] [6] Flower details. It has perfect flowers that are 15–25 mm (5 ⁄ 8 –1 in) in diameter, with 5 petals, emerging during budbreak in early spring. The petals are white.
Rust leaf spot blight and apple powdery mildew can occur on Amelanchier canadensis. Insects that can burden the tree include the sawfly, leaf miners, borers, and scales. [17] Gymnosporangium infecting leaves will begin to produce yellow circular marks. Once the fungus has matured, it begins to sprout spore horns that can be either yellow or brown.
Amelanchier (/ æ m ə ˈ l æ n ʃ ɪər / am-ə-LAN-sheer), [1] also known as shadbush, shadwood or shadblow, serviceberry or sarvisberry (or just sarvis), juneberry, saskatoon, sugarplum, wild-plum [2] or chuckley pear, [3] is a genus of about 20 species of deciduous-leaved shrubs and small trees in the rose family .
The leaves are oval to nearly circular, 2–5 centimetres (3 ⁄ 4 –2 inches) long and 1–4.5 cm (1 ⁄ 2 – 1 + 3 ⁄ 4 in) broad, on a 0.5–2 cm (1 ⁄ 4 – 3 ⁄ 4 in) leaf stem, with margins toothed mostly above the middle. [5] As with all species in the genus Amelanchier, the flowers are white, [6] with five quite separate petals and ...
Amelanchier laevis, the smooth shadbush, smooth serviceberry or Allegheny serviceberry, is a North American species of tree in the rose family Rosaceae, growing up to 9 metres (30 ft) tall. It is native to eastern Canada and the eastern United States , from Newfoundland west to Ontario , Minnesota , and Iowa , south as far as Georgia and Alabama .
Amelanchier sanguinea, known as red-twigged shadbush or roundleaf serviceberry, is a shrub native to eastern and central North America. Its native range stretches from New Brunswick to Saskatchewan south as far as northern Georgia. It is most common in eastern Canada, the northeastern United States, and the Great Lakes region. [3]
In spring the plant unfurls new leaves and produces star-shaped white flowers. [1] The leaves are pink when they first open, maturing to yellow-green, and turn red in autumn. [1] The plant's young berry-like pome fruits are dark red when young, but become dark purple when ripe. [2]
Amelanchier obovalis, the coastal serviceberry, coastal juneberry, or shadbush, is a species of flowering plant in the Rosaceae family. [3] It is native to the Atlantic coastal plain of the United States, from New Jersey to Georgia, typically in pine barrens and other dry woodlands.