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cornus canadensis
''Cornus canadensis'' (Canadian dwarf cornel, Canadian bunchberry, quatre-temps, crackerberry, creeping dogwood) is a species of flowering plant in the Cornaceae (dogwood) family, native to eastern Asia (Japan, Korea, northeastern China (Jilin Province) and the Russian Far East), northern USA, Colorado, New Mexico, Canada and Greenland. Unlike its relatives, which are for the most part substantial trees and shrubs, ''C. canadensis'' is a creeping, rhizomatous perennial growing to about tall.
== Description ==
''Cornus canadensis'' is a slow-growing herbaceous subshrub growing 10–20 cm tall, generally forming a carpet-like mat. The above-ground shoots rise from slender creeping rhizomes that are placed 2.5–7.5 cm deep in the soil, and form clonal colonies under trees. The vertically produced above-ground stems are slender and unbranched. The leaves are oppositely arranged on the stem, but are clustered with six leaves that often seem to be in a whorl because the internodes are compressed. The leafy green leaves are produced near the terminal node and consist of two types: 2 larger and 4 smaller leaves. The smaller leaves develop from the axillary buds of the larger leaves. The shiny dark green leaves have 2 to 3 mm long petioles and leaf blades that are obovate. The blades have entire margins and are 3.5 to 4.8 cm long and 1.5 to 2.5 cm wide, with 2 or 3 veins and cuneate shaped bases and abruptly acuminate apexes. In the fall, the leaves have red tinted veins and turn completely red.
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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