Aesculus × carnea, or red horse-chestnut,[1] is a medium-sized tree, an artificial hybrid between A. pavia (red buckeye) and A. hippocastanum (horse-chestnut). Its origin uncertain, probably appearing in Germany before 1820. It is a popular tree in large gardens and parks; and is even present in Hyde Park, London.[2]
| Red horse-chestnut | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Sapindales |
| Family: | Sapindaceae |
| Genus: | Aesculus |
| Species: | A. × carnea
|
| Binomial name | |
| Aesculus × carnea | |
Aesculus × carnea's features are typically intermediate between the parent species, but it inherits the red flower color from A. pavia. Its showy flowers are borne in plumes on branch ends, blooming in spring and producing leathery fruit capsules in fall. It grows up to 40 feet (12 m) tall and 30 feet (9 m) wide, with a round head that casts dense shade when mature. Its leaves are dark green, palmately compound, and deciduous, each leaf divided into five large, toothed leaflets.[3]
Cultivars
edit- 'Briotii' (named in 1858 to honor Pierre Louis Briot (1804–1888), the chief horticulturist of the State gardens at Trianon-Versailles near Paris, France) This is the most commonly seen cultivar which has 10-inch tall, deep rosy flowers and matures as a smaller tree.[4]
- 'O'Neil', which produce larger (10–12 inch) panicles with brighter red flowers.
- 'Fort McNair' (named from where it was selected) it has dark pink flowers with yellow throats and resists leaf scorch and leaf blotch.
- 'Pendula' with arching branches.[5][failed verification]
- 'Plantierensis' which has intense rose pink flowers with yellow throats and does not set fruit, which makes it less messy.[6]
References
edit- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
- ^ Treeconomics Hyde Park Report [www.itreetools.org]
- ^ The New Sunset Western Garden Book (9th ed.). Sunset Publishing. 2012. p. 136.
- ^ "Aesculus × carnea 'Briotii'". Royal Horticultural Society. Retrieved 25 July 2013.[permanent dead link]
- ^ Govaerts, R., Michielsen, K. & Jablonski, E. (2011). Untraced Weeping Broadleaf cultivars: an overview. Belgische Dendrologie Belge Archived 2012-03-22 at the Wayback Machine 2009: 19–30.
- ^ Roth, Susan A. (2001). Taylor's guide to trees. Boston, MA: Houghton Mifflin Harcourt. pp. 408. ISBN 978-0-618-06889-0.
Media related to Aesculus × carnea at Wikimedia Commons
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