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오리잎채진목-[정명] Amelanchier alnifolia Nutt.식물/들꽃-장미과(Rosaceae) 2025. 1. 12. 12:12
Amelanchier alnifolia, the saskatoon berry, Pacific serviceberry, western serviceberry, western shadbush, or western juneberry, is a shrub native to North America. It is a member of the rose family, and bears an edible berry-like fruit.
Description
It is a deciduous shrub or small tree that most often grows to 1–8 metres (3–26 feet), rarely to 10 m or 33 ft, in height. Its growth form spans from suckering and forming colonies to clumped. 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.
As with all species in the genus Amelanchier, the flowers are white, with five quite separate petals and five sepals. In A. alnifolia, they are about 2.5–5 cm (1–2 in) across, with 20 stamens and five styles, appearing on short racemes of 3–20, somewhat crowded together, blooming from April to July.
The fruit is a small purple pome 5–15 mm (3⁄16–19⁄32 in) in diameter, ripening in early summer.[5][3] It has a waxy bloom. Saskatoon species can be relatively difficult to distinguish.
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