Buckeye | Identification, Uses & Facts (2024)

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Ohio buckeye flower

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Related Topics:
painted buckeye
California buckeye
Ohio buckeye
bottlebrush buckeye
sweet buckeye

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buckeye, any of about six species of North American trees and shrubs in the genus Aesculus of the soapberry family (Sapindaceae). The name refers to the resemblance of the nutlike seed, which has a pale patch on a shiny red-brown surface, to the eye of a deer. Like many of the related Eurasian horse chestnuts (also of the genus Aesculus), a number of buckeye species are valued as ornamental trees for their handsome candelabra-like flower clusters. Both the young foliage and the seeds are poisonous.

Physical description

Buckeye species are deciduous (i.e., they shed their leaves seasonally) or evergreen and have opposite leaves that are palmately compound (that is, with leaflets that radiate from a single point). The bisexual flowers are often showy and feature four or five fused petals. The fruits are dry capsules and have hard leathery husks that are smooth to weakly spiny. The fruits turn brown in fall and split into three parts to release one to three glossy brown inedible seeds.

Britannica QuizTrees of the World

Species

The most-notable species is the Ohio buckeye (A. glabra), also called fetid, or Texas, buckeye, which is primarily found in the Midwestern region of the United States. The tree grows up to 21 metres (70 feet) in height and has twigs and leaves that yield an unpleasant odour when crushed. The palmately compound leaves feature five to seven leaflets and turn orange to yellow in fall. The seeds contain tannic acid and are poisonous to cattle and humans. The plant is the state tree of Ohio, and the term buckeyes is used to refer to Ohioans in general as well as to the sports teams and players of the Ohio State University.

Native to the Appalachian Mountains of the eastern United States is the sweet, or yellow, buckeye (A. flava), which bears yellow flowers and is the largest buckeye species, reaching up to 27 metres (89 feet). The red buckeye (A. pavia) produces red flowers and is an attractive small tree, rarely reaching more than 7.6 metres (25 feet) in height.

The bottlebrush buckeye (A. parviflora) is an attractive shrub, native to Georgia and Alabama, that bears white flowers in erect spikes about 30 cm (1 foot) long. The painted, or Georgia, buckeye (A. sylvatica) is a rounded shrub or small tree, up to 7.6 metres (25 feet) high, with yellow to reddish flowers. The California buckeye (A. californica) is endemic to California and southwestern Oregon and features sweetly scented white-to-pink flowers. At least two other possible buckeye species are known, though their taxonomy is contentious.

This article was most recently revised and updated by Melissa Petruzzello.

Buckeye | Identification, Uses & Facts (2024)

FAQs

What are some fun facts about buckeyes? ›

These seeds are popularly believed to bring good luck, and school children especially still carry them in their pockets as a charm. And while highly poisonous, buckeye seeds contain much protein and were used as a food source by Native Americans who boiled and leached them to remove their toxins.

What can buckeyes be used for? ›

Native Americans once used buckeyes for both nutritional and medicinal purposes. These tribes would crush and knead the nuts into a salve for rashes and cuts. Today, some believe that buckeyes can relieve rheumatism and arthritis pain. Prescription opioids were first created exclusively for pain relief.

How often do you water a buckeye tree? ›

Start with the basics: Water newly planted trees twice a week to foster root growth. Adjust for maturity: Once established, your Buckeye will be more drought-tolerant. Reduce watering frequency accordingly. Monitor the weather: Ramp up watering during dry spells, and pull back when rain is generous.

What kind of tree drops buckeyes? ›

The buckeye tree (aesculus glabra) is native to North America. In late summer and early fall, the trees bear fruit that contain a large nut. The nut gives the tree its name because it is dark brown with a light spot, resembling the shape and color of a deer's eye. The buckeye was named the state tree of Ohio in 1953.

What animal can eat buckeyes? ›

While gray squirrels and other animals do eat buckeyes, it is never a preferred food. In fact, both the seeds and tender young leaves of the plant are said to be poisonous to humans and livestock alike. Humans have long made use of the red buckeye. Native Americans were known to crush buckeye branches to catch fish.

Are buckeye trees good to have? ›

The nuts are toxic and can't be eaten but find good uses in crafts, especially for fans of the Scarlet and Gray. “Ohio buckeye is native and is well-adapted to our soils and climate,” Snyder said. “But it's not well-suited to small yards as it tends to get quite large with age.” The tree can grow 50 feet high.

What did Native Americans use Buckeyes for? ›

Native California tribes, including the Pomo, Yokut, and Luiseño, cleverly used the ground-up powder of buckeye seeds to stupefy schools of fish in small streams, making them easier to catch. And the smooth, straight branches of the buckeye made it useful to native peoples as a bow drill and a fire drill.

What are the medicinal uses of Ohio buckeye tree? ›

Medicinal Uses

Minute doses of the seed are used internally in the treatment of spasmodic coughs, asthma and internal irritations[222]. It is used externally as a tea or an ointment in the treatment of rheumatism and piles[222]. An extract of the bark has been used as an irritant of the cerebro-spinal system[82].

Do you keep Buckeyes in the fridge? ›

Storage Tips

Make sure your buckeyes stay fresh for as long as possible! The buckeyes should be stored in an airtight container in the refrigerator to keep them nice and fresh. Stored in this way, they will keep for about 1 month (although good luck keeping them that long without eating them all, ha!).

What is the lifespan of a buckeye tree? ›

Seedlings can grow under some shade, but the species seems to develop best as isolated individuals in openings along streambanks and on other moist sites. Young trees show moderate growth rates and may begin producing fruit at 8 years. Most trees live 80-100 years.

Is the buckeye tree male or female? ›

Interestingly, each tree has both male and female flowers. The female flowers mature into distinctive spiny ball-like fruits.

How long does it take a buckeye tree to produce fruit? ›

The average time it takes for buckeye to produce seeds is 5-10 years, but they can start blooming as early as 3 years from seed in ideal conditions. I took this photo in June of a bottlebrush buckeye blooming in the shade of the old growth trees in Fernbank Forest.

What are some interesting facts about the Ohio buckeye tree? ›

Interesting Facts

Ohio buckeye is also referred to as stinking or fetid buckeye because the leaves and twigs give off an unpleasant odor (skunk-like) when crushed. The buckeye portion of the name derives from the fruits, which are mahogany brown with a large gray spot, resembling a buck's eye.

What is buckeye tree wood used for? ›

Durability: Buckeye wood has not resistance to wood decay, rating the wood as non-durable to perishable. Uses: Buckeye Burls are commonly used for electric guitar tops, pen blanks, and other small specialty items. Buckeye is good for carving and can be used to build low-strength pallets and crates.

Where is the best place to plant a buckeye tree? ›

You can plant buckeyes in full sun, but since they are adapted to live in forest understory, Smith recommends giving them partial shade. Be aware that buckeyes can reach 40 to 60 feet in height, though, so you won't want them in your flowerbed.

Why are they called buckeyes? ›

Ohio is known as the Buckeye State because buckeye trees were prevalent in the area when the territory was settled in the late 18th century. The buckeye gets its name from its distinctive nutlike seed that, when dried, appears a rich, dark brown color with a single lighter brown spot that resembles the eye of a deer.

What are some fun facts about buckeye butterflies? ›

It is a member of the Brushfoot family, named for the large colorful eye spots on the upper side of the wings. The eye spots may be used to scare away predators. The genus name (coenia) may be derived from June, the wife of Jupiter. Buckeyes are primarily a tropical group and cannot survive freezing temperatures.

Are buckeyes from a tree edible? ›

The fruit from this tree is a little less appealing than an acorn but nonetheless edible. However, be warned that without proper leaching with hot water, the fruit is toxic.

Why are buckeyes good luck? ›

During September, buckeyes, which are large, shiny brown seeds, can be found underneath Aesculus trees. According to legend, carrying a pocketful of buckeyes brings good luck. Early Native Americans called these seeds buckeyes for their resemblance to the eyes of male deer, known as bucks.

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