Biology:Aesculus glabra

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Short description: Species of tree

Ohio buckeye
Aesculus glabra var. glabra.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Sapindaceae
Genus: Aesculus
Species:
A. glabra
Binomial name
Aesculus glabra
Aesculus glabra range map 1.png
Generalized natural range

Aesculus glabra, commonly known as Ohio buckeye,[2] Texas buckeye,[3] fetid buckeye,[3] and horse chestnut[3] is a species of tree in the soapberry family (Sapindaceae) native to North America.

Its natural range is primarily in the Midwestern and lower Great Plains regions of the United States, extending southeast into the geological Black Belt of Alabama and Mississippi.[4] It is also found locally in the extreme southwest of Ontario, on Walpole Island in Lake St. Clair.[5]

It is found in a variety of natural habitats, including streambanks, upland mesic forests, and along the margins of old fields.[6] It is typically found in calcareous areas.[7]

Description

The leaves are palmately compound with five leaflets 8–16 cm (3–6 1⁄2 in) long and broad. The flowers are produced in panicles in spring, red, yellow to yellow-green, each flower 2–3 cm (3⁄4–1 1⁄4 in) long with the stamens longer than the petals (unlike the related yellow buckeye, where the stamens are shorter than the petals). The fruit is a round capsule 4–5 cm (1 1⁄2–2 in) diameter, containing one nut-like seed, 2–3 cm (3⁄4–1 1⁄4 in) in diameter, brown with a whitish basal scar.

The inedible seeds contain tannic acid and are poisonous to cattle and humans. The young foliage, shoots, and bark are also poisonous to some degree.[8] However, Native Americans reportedly did eat buckeye fruit after boiling it to extract tannin.[9]

  • Foliage and fruit

  • Inflorescence

  • Dried buckeye nuts

  • Closeup of trunk

Etymology

The name stems from Native Americans, who called the nut "hetuck", which means "buck eye". The markings of the nut resembled the eyes of a deer.[10]

Uses

Aesculus glabra has little use as a timber tree due to its soft, light wood.[8] Although occasionally seen in cultivation, the large, copiously produced fruits make it generally undesirable as a street tree.[2] Extracts from A. glabra have shown anti-cancer properties.[11]

Native American ethnobotany

The Lenape carry the nuts in their pockets for rheumatism, and an infusion of ground nuts is mixed with sweet oil or mutton tallow for earaches. They also grind the nuts and use them to poison fish in streams.[12][13]

Native Americans blanched buckeye nuts, extracting the tannic acid for use in making leather.[citation needed] The nuts can also be dried, turning dark as they harden with exposure to the air, and strung into necklaces similar to those made from the kukui nut in Hawaii.[14]

Culture

A buckeye nut used in an early 20th-century ad, evoking the Seal of Ohio

The Ohio buckeye is the state tree of Ohio, and its name is an original term of endearment for the pioneers on the Ohio frontier. Subsequently, "buckeye" came to be used as the nickname and colloquial name for people from Ohio.[15] Ohio State University adopted "Buckeyes" officially as its nickname in 1950, and also uses the name for its sports teams.[16] It came to be applied to any student or graduate of the university.[17]

Buckeye candy, made to resemble the tree's nut, is made by dipping a ball of peanut butter fudge in milk chocolate, leaving a circle of the peanut butter exposed.[18] These are a popular treat in Ohio, especially during the Christmas and college football seasons.[19][20]

References

  1. ↑ Stritch, L. (2018). "Aesculus glabra". IUCN Red List of Threatened Species 2018: e.T60757589A60757592. doi:10.2305/IUCN.UK.2018-1.RLTS.T60757589A60757592.en. https://www.iucnredlist.org/species/60757589/60757592. Retrieved 11 November 2021. 
  2. ↑ 2.0 2.1 Aesculus glabra Missouri Botanical Garden
  3. ↑ 3.0 3.1 3.2 Aesculus glabra Lady Bird Johnson Wildlife Center
  4. ↑ "Aesculus glabra", County-level distribution map from the North American Plant Atlas (NAPA) (Biota of North America Program (BONAP)), 2014, http://bonap.net/MapGallery/County/Aesculus%20glabra.png, retrieved 30 April 2021 
  5. ↑ Ohio Buckeye Official website of the Ontario Government
  6. ↑ Yatskievych, George (2013). Flora of Missouri, Volume 3. Missouri Botanical Garden Press. pp. 1087. 
  7. ↑ Weakley, Alan (2020). "Flora of the Southeastern United States". https://ncbg.unc.edu/research/unc-herbarium/flora-request/. 
  8. ↑ 8.0 8.1 Ohio Buckeye, in Silvics Manual Volume 2: Hardwoods USDA Forest Service
  9. ↑ Weeks, Sally S. (2010). Native trees of the Midwest : identification, wildlife values, and landscaping use (Rev. and expanded 2nd ed.). West Lafayette, Ind.: Purdue University Press. p. 96. ISBN 978-1612490014. 
  10. ↑ https://www.cincinnati.com/story/news/2021/09/27/ohio-known-the-buckeye-state-first-use-nickname-dr-daniel-drake/5804161001/#:~:text=Ohio%20is%20known%20as%20the,the%20eye%20of%20a%20deer.
  11. ↑ Suzawa, Rita (December 2022). Evaluation of Cytotoxic Compounds from The Buckeye Tree: Aesculus glabra (Thesis thesis). The Ohio State University.
  12. ↑ Tantaquidgeon, Gladys, 1972, Folk Medicine of the Delaware and Related Algonkian Indians, Harrisburg. Pennsylvania Historical Commission Anthropological Papers #3, page 30
  13. ↑ Tantaquidgeon, Gladys, 1942, A Study of Delaware Indian Medicine Practice and Folk Beliefs, Harrisburg. Pennsylvania Historical Commission, page 25, 74
  14. ↑ Horton, Marcus (30 November 2019). "Football: Ohio State-Michigan rivalry inspires longstanding devotion". https://www.thelantern.com/2019/11/ohio-state-football-ohio-state-michigan-rivalry-inspires-longstanding-devotion/. 
  15. ↑ "Archived copy". http://www.dnr.state.oh.us/Portals/18/education/pdf/buckeyestate.pdf. 
  16. ↑ Walsh, Christopher (2009). Ohio State Football Football Huddleup, Triumph Books (Random House, Inc.), ISBN:978-1-60078-186-5, p. 120.
  17. ↑ "The Ohio State University Alumni Association". https://www.osu.edu/alumni/. 
  18. ↑ "Buckeyes". https://www.foodnetwork.com/recipes/food-network-kitchen/buckeyes-3363307. 
  19. ↑ Campanelli, John (22 November 2010). "PDQ's guide to the buckeye, just in time for the OSU-Michigan game". https://www.cleveland.com/pdq/2010/11/pdqs_guide_to_the_buckeye_just.html. 
  20. ↑ "The 10 Best Places For Chocolate Buckeye Lovers Around Ohio". https://www.columbusnavigator.com/best-buckeyes-columbus-ohio/. 

Further reading

  • Darbyshire, S. J., & Oldham, M. J. (1985). "Ohio buckeye, Aesculus glabra, on Walpole Island, Lambton County, Ontario". Canad. Field-Nat. 99: 370–372.
  • Farrar, J. R. (1995). "Ohio Buckeye". Trees in Canada. Fitzhenry & Whiteside Ltd. (Markham, Ontario) and the Canadian Forest Service (Ottawa). p. 157.

External links

Wikidata ☰ Q1813339 entry



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