Hydrangea paniculata, the panicled hydrangea or limelight hydrangea, is a species of flowering plant in the family Hydrangeaceae native to southern and eastern China, Korea, Japan and Russia (Sakhalin).[1][2] It was first formally described by Philipp Franz von Siebold in 1829.[3]
Species of flowering plant in the family Hydrangeaceae
It is a deciduous shrub or small tree, 1–5m (3.3–16.4ft) tall by 2.5m (8ft) broad, growing in sparse forests or thickets in valleys or on mountain slopes.[1]
The leaves are broadly oval, toothed and 7–15cm (3–6in) long. In late summer it bears large conical panicles of creamy white fertile flowers, together with pinkish-white sterile florets. Florets may open pale green, grading to white with age, thus creating a pleasing “two-tone” effect.[4]
Cultivation
H. paniculata 'Grandiflora'
In cultivation it is pruned in spring to obtain larger flower heads.[5]
Numerous cultivars have been developed for ornamental use, of which the following have gained the Royal Horticultural Society’s Award of Garden Merit:-[6]
’Silver Dollar’[12] (suitable for smaller gardens)
Those cultivars marked (PBR) are protected by plant breeders' rights from unauthorised propagation.
Other cultivars include:
‘Praecox,’[13] a particularly early flowering cultivar
Uses
Hydrangea paniculata is sometimes smoked as an intoxicant, despite the danger of illness and/or death due to the cyanide[14][unreliable source?] present as cyanogenic glycosides.[15]
Etymology
Hydrangea is derived from Greek, meaning ‘water vessel’, in reference to the shape of the capsules.[16]
Paniculata means ‘with branched-racemose or cymose inflorescences’, ‘tufted’, ‘paniculate’, or ‘with panicles’. This name is about the flowers of this species.[16]
References
Wei Zhaofen; Bruce Bartholomew. "Hydrangea paniculata". Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 18 August 2012.
Hydrangeas for American gardens, by Dirr, Michael. Timber Press, 2004. ISBN0881926418/ISBN9780881926415
"Hydrangea paniculata". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew. 10 August 2009. Retrieved 10 August 2009.
RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p.1136. ISBN978-1405332965.
Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN9780521866453 (hardback), ISBN9780521685535 (paperback). pp 206, 289
External links
Friedman, William. "Eminent panicle hydrangeas."Posts from the Collections, Arnold Arboretum of Harvard University website, 15 July 2019. Retrieved 2 October 2019.
Rose, Nancy. "A Parade of Hydrangeas."ARBlog, Arnold Arboretum of Harvard University website, 2 July 2016. Retrieved 2 October 2019.
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