The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acid and infertile growing conditions. The family is large, with roughly 4000 species spread across 126 genera, making it the 14th-most-speciose family of flowering plants.〔 The many well-known and economically important members of the Ericaceae include the cranberry, blueberry, huckleberry, azalea, rhododendron, and various common heaths and heathers (''Erica'', ''Cassiope'', ''Daboecia'', and ''Calluna'' for example).〔
The Ericaceae contain a morphologically diverse range of taxa, including herbs, dwarf shrubs, shrubs, and trees. Their leaves are usually alternate or whorled, simple and without stipules. Their flowers are hermaphrodite and show considerable variability. The petals are often fused (sympetalous) with shapes ranging from narrowly tubular to funnelform or widely bowl-shaped. The corollas are usually radially symmetrical (actinomorphic), but many flowers of the genus ''Rhododendron'' are somewhat bilaterally symmetrical (zygomorphic).〔
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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