Genus
Hydrangea (Hydrangeas)
Hydrangea macrophylla. Photo: (c) miyuu, some rights reserved (CC BY-NC)
Hydrangea (/haɪˈdreɪndʒiə/; common names hydrangea or hortensia) is a genus of 70–75 species of flowering plants native to southern and eastern Asia (China, Japan, Korea, the Himalayas, and Indonesia) and the Americas. By far the greatest species diversity is in eastern Asia, notably China, Japan, and Korea. Most are shrubs 1 to 3 meters tall, but some are small trees, and others lianas reaching up to 30 m (98 ft) by climbing up trees. They can be either…
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