Pink Hydrangea flower

Hydrangea (common names Hydrangea and Hortensia) is a genus of about 70–75 species of flowering plants native to southern and eastern Asia (China, Japan, Korea, the Himalayas, and Indonesia) and North and South America. By far the greatest species diversity is in eastern Asia, notably China, Japan, and Korea. Most are shrubs 1–3 m tall, but some are small trees, and others lianas reaching up to 30 m by climbing up trees. They can be either deciduous or evergreen, though the widely cultivated temperate species are all deciduous.

There are two flower arrangements in hydrangeas. Mophead flowers are large round flowerheads resembling pom-poms or, as the name implies, the head of a mop. In contrast, lacecap flowers bear round, flat flowerheads with a center core of subdued, fertile flowers surrounded by outer rings of showy, sterile flowers.

In most species the flowers are white, but in some species (notably H. macrophylla), can be blue, red, pink, light purple, or dark purple. In these species the exact colour often mirrors the pH of the soil; acidic soils produce blue flowers, neutral soils produce very pale cream petals, and alkaline soils results in pink or purple. This is caused by a color change of the flower pigments in the presence of aluminium ions which can be taken up into hyperaccumulating plants.

Description taken from Wikipedia: http://en.wikipedia.org/wiki/Hydrangea

• Biota
• Life
• Vitae
• Eukaryota
• Plantae
• Plants
• Magnoliophyta
• Flowering Plants
• Angiosperms
• Magnoliopsida
• Dicotyledons
• Cornales
• Hydrangeaceae
• Hydrangeas
• Pink
• Barnsdale Gardens
• Hydrangea

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