Hydrangea

Hydrangea
Hydrangea macrophylla
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Cornales
Family: Hydrangeaceae
Genus: Hydrangea
Gronov. ex L.
Type species
Hydrangea arborescens L.[1]
Species

See text

Synonyms[2]
synonymy
  • Adamia Wall.
  • Broussaisia Gaudich.
  • Calyptranthe (Maxim.) Nakai
  • Cardiandra Siebold & Zucc.
  • Cianitis Reinw.
  • Cornidia Ruiz & Pav.
  • Decumaria L.
  • Deinanthe Maxim.
  • Dichroa Lour.
  • × Didrangea J.M.H.Shaw
  • Forsythia Walter
  • Heteromalla (Rehder) H.Ohba & S.Akiyama
  • Hortensia Comm. ex Juss.
  • Hydrangia L.
  • Macnemaraea Willemet
  • Pileostegia Hook.f. & Thomson
  • Platycrater Siebold & Zucc.
  • Sarcostyles C.Presl ex DC.
  • Schizophragma Siebold & Zucc.

Hydrangea (/hˈdrniə/),[3] commonly named the hortensia, is a genus of more than 70 species of flowering plants native to Asia and the Americas. By far the greatest species diversity is in eastern Asia, notably China, Korea, and Japan. Most are shrubs 1–3 m (3 ft 3 in – 9 ft 10 in) tall, but some are small trees, and others lianas reaching up to 30 m (100 ft) by climbing up trees. They can be either deciduous or evergreen, though the widely cultivated temperate species are all deciduous.[4]

The flowers of many hydrangea act as natural pH indicators, sporting blue flowers when the soil is acidic and pink ones when the soil is alkaline.

  1. ^ Hydrangea | International Plant Names Index. (n.d.). Retrieved January 5, 2024, from https://www.ipni.org/n/30010546-2
  2. ^ "Hydrangea Gronov. ex L." Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2021. Retrieved 17 September 2021.
  3. ^ Sunset Western Garden Book, 1995:606–607
  4. ^ "The United States National Arboretum: Hydrangea FAQ". Archived from the original on 16 May 2013. Retrieved 27 November 2008.

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