What is Hydrangea?
{{Taxobox | name = ''Hydrangea'' | image = Hydrangea macrophylla SZ53.png | image_width = 240px | image_caption = ''Hydrangea macrophylla'' | regnum = [[Plant]]ae | divisio = [[Flowering plant|Magnoliophyta]] | classis = [[Magnoliopsida]] | ordo = [[Cornales]] | familia = [[Hydrangeaceae]] | genus = '''''Hydrangea''''' | genus_authority = [[Carolus Linnaeus|L.]] | subdivision_ranks = Species | subdivision = See text }} '''Hydrangea''', common name Hortensia, is a genus of 70-80 species of flowers. The earliest kinds of hydrangea came from southern and eastern [[Asia]]. The color of the flowers can tell you how much [[acid]] is in the [[soil]] the plant is growing in. [[Alkaline]] soil produce pink flowers. Acidic soil produce blue flowers. [[File:Hortensia18.jpg|thumb|left|300px|Hydrangea or Hortensia]] == Other websites == {{wikispecies|Hydrangea}} *[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=115977 Flora of China] at efloras.org [[Category:Flowers]] [[Category:Asterids]]