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Kalmia latifolia
''Kalmia latifolia'', commonly called mountain-laurel,
calico-bush,〔 or spoonwood,〔 is a species of flowering plant in the heather family, Ericaceae, that is native to the eastern United States. Its range stretches from southern Maine south to northern Florida, and west to Indiana and Louisiana. Mountain-laurel is the state flower of Connecticut and Pennsylvania. It is the namesake of the city of Laurel, Mississippi (founded 1882).
==Growth==
It is an evergreen shrub growing to 3–9 m tall. The leaves are 3–12 cm long and 1–4 cm wide. Its flowers are round, ranging from light pink to white, and occur in clusters. There are several named cultivars today that have darker shades of pink, near red and maroon pigment. It blooms in May and June. All parts of the plant are poisonous. Roots are fibrous and matted.
The plant is naturally found on rocky slopes and mountainous forest areas. It thrives in acidic soil, preferring a soil pH in the 4.5 to 5.5 range. The plant often grows in large thickets, covering great areas of forest floor. In the Appalachians, it can become tree-sized but is a shrub farther north.〔 The species is a frequent component of oak-heath forests.〔(''The Natural Communities of Virginia Classification of Ecological Community Groups'' (Version 2.3), Virginia Department of Conservation and Recreation, 2010 )〕〔Schafale, M. P. and A. S. Weakley. 1990. ''Classification of the natural communities of North Carolina: third approximation''. North Carolina Natural Heritage Program, North Carolina Division of Parks and Recreation.〕In low, wet areas, it grows densely, but in dry uplands has a more sparse form.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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