Regularity: Regularly occurring
Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
Global Range: Regional endemic: Coastal plain (and somewhat into adjacent provinces) of sw Georgia (6 cos.) and in the Cumberland Plateau of Alabama (7 cos.). Also disjunctly near the Fall Line in South Carolina. Falsely reported from Florida (Kartesz 1999).
Comments: Rich mesic forests on bluffs and silty alluvial woods, usually on circumneutral soils (limestone, shale, alluvium).
Foodplant / spot causer
epiphyllous, scattered or crowded pycnidium of Phyllosticta coelomycetous anamorph of Guignardia aesculi causes spots on live leaf of Aesculus parviflora
Remarks: season: 7-
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 21 - 80
Molecular Biology and Genetics
Barcode data: Aesculus parviflora
Statistics of barcoding coverage: Aesculus parviflora
Public Records: 6
Specimens with Barcodes: 6
Species With Barcodes: 1
National NatureServe Conservation Status
Rounded National Status Rank: N3 - Vulnerable
Aesculus parviflora (bottlebrush buckeye); syn. Aesculus macrostachya Michx., Pavia macrostachya (Michx.) Loisel. is a species of Aesculus native to open woodlands of the southeastern United States. It is also called "dwarf horse chestnut" in recognition of its resemblance to its more famous relative A. hippocastanum.
It is a deciduous suckering shrub growing to 3-5 m tall. The leaves are arranged in opposite pairs, palmately compound with 5-7 leaflets, each leaflet short-stalked, 12-22 cm long and 5-10 cm broad, with an entire margin. The flowers are produced in conspicuous erect panicles 20-30 cm long resembling a traditional bottle brush, each flower with a tubular calyx, small white petals, and several protruding 3-4 cm long stamens.
Cultivation and uses
It is grown as an ornamental plant in gardens, where its August flowering attracts butterflies. The naturalist, explorer and plant collector William Bartram first noted this undescribed shrub on his travels through Carolina, Georgia and Florida in 1773-78. Though an old example was still to be found in Bartram's Garden, Philadelphia, in 1930, the shrub has never become common in Eastern American gardens.
Aesculus parviflora was introduced to British horticulture through the activities of John Fraser, who made his first botanizing trip through the American South in 1785. Fraser's finds were distributed among English nurserymen like Lee and Kennedy or Loddiges or to private patrons, and the shrub was "to be met with in most of our nurseries" by 1820. This plant has gained the Royal Horticultural Society's Award of Garden Merit.
- Harrison, Lorraine (2012). RHS Latin for gardeners. United Kingdom: Mitchell Beazley. p. 224. ISBN 9781845337315.
- Noted by Alice M. Coats, Garden Shrubs and Their Histories (1964) 1992, s.v. "Aesculus"; Bartram's botanizing explorations were recorded in his Travels through North and South Carolina, Georgia, East and West Florida, the Cherokee Country, etc., 1791.
- Coats 1992.
- Quoted in Coats 1992.
- "Aesculus parviflora". Royal Horticultural Society. Retrieved 25 July 2013.
- Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
- Plants for a Future: Aesculus parviflora
- NRCS: USDA Plants Profile: Aesculus parviflora
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