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Aesculus × carnea ‘Atropunicea’

Red horse-chestnut

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderSapindalesIncludes citrus; maples, horse-chestnuts, lychees and rambutans; mangos and cashews; frankincense and myrrh; mahogany and neem
FamilySapindaceaeSoapberry family
GenusAesculusMeans “edible acorn” (though some species are definitely not edible)
SpeciescarneaFlesh-colored
Cultivar‘Atropunicea’

About plant names...

I don't have information on this cultivar, so this article describes Aesculus × carnea, a natural hybrid between red buckeye (Aesculus pavia) and horse chestnut (Aesculus hippocastanum). Mature red horsechesnut reaches heights of 40-70' (12-21 m). It tends to be symmetrical in shape, looking a bit like a rounded cone.

Identification: Red horsechesnut is not native to the United States, but it is found throughout zones 5-7. The beautiful pink blossoms make it a popular planting in yards and along streets. The tree has wide green leaves composed of five leaflets. Nuts are round, with thorny coats.

Edibility: Poisonous. Skull & Crossbones The nuts of this and other horse chestnut trees contain a dangerous glycoside.

Online References:

Wikipedia (Aesculus × carnea)

The Missouri Botanical Garden (Aesculus × carnea)

The University of Connecticut Plant Database (Aesculus × carnea)

References:

Sibley, David Allen, The Sibley Guide to Trees, Alfred A. Knopf, 2009, p. 327.

Foster, Steven; Duke, James A., Peterson Field Guides: Eastern/Central Medicinal Plants and Herbs, Houghton Mifflin, 2000, p. 172.

Aesculus × (red horse-chestnut)

5/23/2008 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 7 × 10" (17 × 25 cm)

Aesculus × (red horse-chestnut)

4/24/2007 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 2½ × 1¾" (6.9 × 4.6 cm)

Aesculus × (red horse-chestnut)

5/29/2007 · Tom and Susan’s, Pepperell, Mass­a­chu­setts

Aesculus × (red horse-chestnut)

5/29/2007 · Tom and Susan’s, Pepperell, Mass­a­chu­setts

 

Aesculus × carnea ‘Atropunicea’ description by Thomas H. Kent, last updated 25 Aug 2021.

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Aesculus × (red horse-chestnut)

10/30/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 9 × 6" (22 × 15 cm)

Aesculus × (red horse-chestnut)

Shortly after flowering. · 6/4/2013 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 8 × 5" (19 × 12 cm)

Aesculus × (red horse-chestnut)

10/30/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 5 × 4" (13 × 10 cm)

Aesculus × (red horse-chestnut)

6/17/2012 · Coastal Maine Botanical Gardens, Boothbay, Maine
≈ 4½ × 3" (11 × 7.9 cm)

Aesculus × (red horse-chestnut)

4/24/2007 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 2½ × 1¾" (6.9 × 4.6 cm)

Aesculus × (red horse-chestnut)

10/30/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 6 × 4" (16 × 10 cm)

Aesculus × (red horse-chestnut)

5/28/2008 · Tom and Susan’s, Pepperell, Mass­a­chu­setts

Range: Zones 5-8:

About this map...