Hydrangea L.
Hydrangea
Hydrangeas are hardy shrubs or sometimes small trees that are native to many areas of the world. Their large, copious, beautiful flowerheads make them popular for foundation plantings, and many cultivated varieties exist. Hydrangea macrophylla flowers have a pigment whose color depends on soil acidity, may be white, blue, purple, or pink.
Online References:
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Some hydrangea comparisons. |
(Hydrangea) · 8/8/2010 · Rod and Ellen’s, Westford, Massachusetts 
Species not yet identified 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Rosidae | Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more |
| Order | Rosales | Rose family and eight others |
| Family | Hydrangeaceae | Hydrangea family |
| Genus | Hydrangea | From Greek hydro, “water,” and angeion, “vessel” |
Hydrangea description by Thomas H. Kent, not updated.
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