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Hydrangea aspera, Photo: Michael Lahanas

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Ordo: Cornales

Familia: Hydrangeaceae
Subfamilia: Hydrangeoideae
Tribus: Hydrangeeae
Genus: Hydrangea
Sectio: H. sect. Hydrangea
Series: H. ser. Asperae
Species: Hydrangea aspera
Subspecies: H. a. subsp. aspera – H. a. subsp. robusta – H. a. subsp. sargentiana – H. a. subsp. strigosa

Hydrangea aspera Buch.-Ham. ex D.Don, Prodr. fl. Nepal. 211. 1825.

USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. [1] (05 August 2009)

Vernacular names
svenska: Strävhortensia

Hydrangea aspera is a species of flowering plant in the family Hydrangeaceae, native to the region between the Himalayas, across southern China, to Taiwan. It is a large, erect deciduous shrub growing to 3 m (10 ft) tall and wide, with broadly oval leaves. The flowers are typically borne in large flat heads in late summer, and are in variable shades of pale blue and pink, fringed by white or pale pink sterile florets.[2]

The Latin aspera means "rough-textured"[3] and refers to the downy lower surface of the leaves.

The plant is widely cultivated, and favours a sunny, sheltered position in acid or neutral soil. Numerous cultivars have been produced as ornamental subjects for parks and gardens. They include:

'Anthony Bullivent'
'Peter Chappell'
'The Ditch'

The cultivar H. aspera 'Macrophylla'[4] (not to be confused with H. macrophylla) has gained the Royal Horticultural Society's Award of Garden Merit.[5]

"Hydrangea aspera Buch.-Ham. ex D.Don". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 30 June 2021.
RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
Harrison, Lorraine (2012). RHS Latin for gardeners. United Kingdom: Mitchell Beazley. p. 224. ISBN 9781845337315.
"RHS Plant Selector - Hydrangea aspera 'Macrophylla'". Retrieved 28 August 2020.
"AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 51. Retrieved 7 March 2018.

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