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Description
Habitat and range
Ecology
Cultivation and uses
Human consumption
Ornamental
See also
References
Ilex vomitoria
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From Wikipedia, the free encyclopedia
Ilex vomitoria
Foliage and fruit
Conservation status
Least Concern
Least Concern (IUCN 3.1)[1]
Scientific classificationEdit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Aquifoliales
Family: Aquifoliaceae
Genus: Ilex
Species: I. vomitoria
Binomial name
Ilex vomitoria
Sol. ex Aiton
Subspecies[2]
Ilex vomitoria subsp. chiapensis (Sharp) A.E.Murray
Ilex vomitoria subsp. vomitoria
Natural range
Ilex vomitoria, commonly known as yaupon (/ˈjɔːpɒn/) or yaupon holly, is a species of holly that is native to southeastern North America.[3] The word yaupon was derived from the Catawban yą́pą, from yą- tree + pą leaf.[4] Another common name, cassina, was borrowed from Timucua[5] (despite this, it usually refers to Ilex cassine). The Latin name was given by early European observers who misunderstood Indigenous purification ceremonies—where vomiting was part of the ritual—and incorrectly assumed that the plant itself was emetic.
The plant was traditionally used by Native Americans and Euro-American colonists to make an infusion containing caffeine and theobromine. This drink went by different names, such as cassina, beloved drink, or white drink among natives and "Carolina tea", or "South Seas tea" among colonists. Today, it is also known as yaupon tea. It is one of only two known plants endemic to North America that produce caffeine. The other (containing 80% less) is Ilex cassine, commonly known as dahoon holly.[6] In the 21st century, the plant has begun to be harvested for making commercial tea once again in the United States.[7] Yaupon is also widely used for landscaping in its native range.
Description
Yaupon holly is an evergreen shrub or small tree reaching 5–9 m tall, with smooth, light gray bark and slender, hairy shoots. The leaf arrangement is alternate, with leaves ovate to elliptical and a rounded apex with crenate or coarsely serrated margin, 1–4.5 cm long and 1–2 cm broad, glossy dark green above, slightly paler below. The flowers are 5–5.5 mm diameter, with a white four-lobed corolla. The fruit is a small round, shiny, and red (occasionally yellow) drupe 4–6 mm diameter containing four pits, which are dispersed by birds eating the fruit. The species may be distinguished from the similar Ilex cassine by its smaller leaves with a rounded, not acute apex.[8][9][10][11][12]
Habitat and range
I. vomitoria occurs in the southeastern and south-central United States from the Eastern Shore of Virginia south to Florida and west to Oklahoma[11] and Texas. It is also native to Cuba,[1][2] and a disjunct population occurs in the southern Mexican state of Chiapas.[3][2] It generally occurs in coastal areas in well-drained, sandy soils, and can be found on the upper edges of brackish and salt marshes, sandy hammocks, coastal sand dunes, inner-dune depressions, sandhills, maritime forests, nontidal forested wetlands, well-drained forests, and pine flatwoods.[8]
Ecology
An eastern bluebird eating the bright red berries from an Ilex vomitoria
The fruit are an important food for many birds, including the mottled duck, American black duck, mourning dove, ruffed grouse, bobwhite quail, wild turkey, northern flicker, sapsuckers, cedar waxwing, eastern bluebird, American robin, gray catbird, northern mockingbird, and white-throated sparrow. Mammals that eat the fruit include nine-banded armadillo, American black bear, gray fox, raccoon, and skunk. The foliage and twigs are browsed by white-tailed deer.[8]
Cultivation and uses
Human consumption
Further information: Yaupon tea
Some Native American tribes, particularly in the Southeast, brewed the leaves and stems of Yaupon to make a ceremonial beverage known as the "black drink." These rituals often involved vomiting as a form of spiritual or physical purification—not because the plant itself was emetic. Early European observers misunderstood this practice and mistakenly concluded that Yaupon caused vomiting, hence the Latin name - Ilex vomitoria.[13] In reality, the active compounds in Yaupon—caffeine, theobromine, and theophylline—are the same as those found in its South American relatives, yerba mate and guayusa.[14][15] Any vomiting likely resulted from the ceremonial context, which involved drinking large volumes while fasting, rather than from the plant's inherent properties.[8][16]
Some theorize that Native Americans may have also used the infusion as a laxative.[17] Ilex vomitoria usage by colonists for tea making and for medicinal uses in the Carolinas is documented by the early 18th century. In the English-speaking colonies, it was known variously as cassina, yaupon tea, Indian tea, Carolina tea, and Appalachian tea. In the 21st century, the process of drying the leaves for consumption has gained newfound popularity, and yaupon is now commercially available.[18][19][20][21]
Ornamental
Ilex vomitoria is a common landscape plant in the Southeastern United States. The most common cultivars are slow-growing shrubs popular for their dense, evergreen foliage and their adaptability to pruning into hedges of various shapes. These include:
'Folsom Weeping' – weeping cultivar
'Grey's Littleleaf'/'Grey's Weeping' – weeping cultivar
'Nana'/'Compacta' – dwarf female clone usually remaining below 1 m in height
'Pride of Houston' – female clone similar to type but featuring improvements in form, fruiting, and foliage
'Schilling's Dwarf'/'Stokes Dwarf' – dwarf male clone that grows no more than 0.6 m tall and 1.2 m wide[22]
'Will Fleming' – male clone featuring a columnar growth habit
'Pendula' – "weeping" variety, has the highest caffeine content
See also
Ilex paraguariensis or yerba mate – a caffeinated holly native to subtropical South America
Ilex guayusa or guayusa – a caffeinated holly native to the Ecuadorian Amazon Rainforest
Kuding – a Chinese tisane made from I. kudingcha
Yaupon Beach, North Carolina - a former town and current neighborhood of Oak Island, North Carolina
References
Wikimedia Commons has media related to Ilex vomitoria.
Wikispecies has information related to Ilex vomitoria.
Stritch, L. (2018). "Ilex vomitoria". IUCN Red List of Threatened Species. 2018 e.T62390A47600649. doi:10.2305/IUCN.UK.2018-1.RLTS.T62390A47600649.en. Retrieved 19 November 2021.
"Ilex vomitoria Aiton". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 9 October 2025.
"Ilex vomitoria". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2011-09-19.
"yaupon". Merriam-Webster Online Dictionary. Merriam-Webster, Inc. Retrieved July 26, 2020.
Cutler, Charles L. (2000). O Brave New Words!: Native American Loanwords in Current English. University of Oklahoma Press. pp. 10, 163, 215. ISBN 978-0-8061-3246-4.
Edwards, Adam L.; Bennett, Bradley C. (2005). "Diversity of Methylxanthine Content in Ilex cassine L. and Ilex vomitoria Ait.: Assessing Sources of the North American Stimulant Cassina". Economic Botany. 59 (3): 275–285. doi:10.1663/0013-0001(2005)059[0275:DOMCII]2.0.CO;2. JSTOR 4256992. S2CID 40377478.
Folch C. Ceremony, Medicine, Caffeinated Tea: Unearthing the Forgotten Faces of the North American Stimulant Yaupon (Ilex vomitoria). Comparative Studies in Society and History. 2021;63(2):464-498. doi:10.1017/S0010417521000116
"Yaupon Ilex vomitoria" (PDF). Natural Resources Conservation Services Plant Guide. United States Department of Agriculture. Retrieved 16 July 2025.
"Florida's Hollies". Florida Department of Environmental Protection. Archived from the original on 19 February 2012.
Martin, C.O.; Mott, S.P. (1997). "Section 7.5.10 Yaupon (Ilex vomitoria)". U.S. Army Corps of Engineers Wildlife Resources Management Manual (PDF). Vicksburg, MS: U.S. Army Engineer Waterways Experiment Station. Technical Report EL-97-16. Archived from the original (PDF) on 2007-06-11.
"Ilex vomitoria". Oklahoma Biological Survey. Archived from the original on 2008-10-16. Retrieved 2007-10-06.
"Ilex vomitoria". Bioimages. Vanderbilt University. Retrieved 27 June 2019.
Hudson, Charles M. (1979). Black Drink: A Native American Tea. University of Georgia Press.
Q. Ping Dou (24 May 2019). Tea in Health and Disease. MDPI. p. 103. ISBN 978-3-03897-986-9.
Crown PL, Emerson TE, Gu J, Hurst WJ, Pauketat TR, Ward T (August 2012). "Ritual Black Drink consumption at Cahokia". Proc. Natl. Acad. Sci. U.S.A. 109 (35): 13944–9. doi:10.1073/pnas.1208404109. PMC 3435207. PMID 22869743.
Hudson, Charles M. (1976). The Southeastern Indians. University of Tennessee Press ISBN 0-87049-248-9.
Niering, William A.; Olmstead, Nancy C. (1985) [1979]. The Audubon Society Field Guide to North American Wildflowers, Eastern Region. Knopf. p. 338. ISBN 0-394-50432-1.
"Like Yerba Maté? Try Yaupon". Atlas Obscura. Retrieved 2018-05-25.
Highways, Texas. "Texas' Only Caffeinated Plant Makes a Buzzworthy Tea - Texas Highways". Retrieved 2018-05-25.
Carpenter, Murray (4 August 2015). "Here's The Buzz On America's Forgotten Native 'Tea' Plant". NPR.org. Retrieved 23 July 2017.
Stirn, Matt (24 February 2021). "Yaupon: The rebirth of America's forgotten tea". BBC Travel. Retrieved 24 October 2023.
Flint, Harrison Leigh (1997). Landscape Plants for Eastern North America (2 ed.). John Wiley and Sons. pp. 282–283. ISBN 978-0-471-59919-7.
Taxon identifiers
Ilex vomitoria
Wikidata: Q1010694Wikispecies: Ilex vomitoriaAoFP: 2337APA: 433CoL: 3PG3FEoL: 582644EPPO: ILEVOFEIS: ilevomFNA: 242416690GBIF: 5414250GRIN: 19791iNaturalist: 119955IPNI: 83863-1IRMNG: 10588136ITIS: 27986IUCN: 62390MoBotPF: 276157MoL: Ilex_vomitoriaNatureServe: 2.144160NCBI: 4297Observation.org: 412844Open Tree of Life: 727576PfaF: Ilex vomitoriaPlant List: kew-2861645PLANTS: ILVOPOWO: urn:lsid:ipni.org:names:83863-1RHS: 81273Tropicos: 2000244WFO: wfo-0000729937WoRMS: 418773
Authority control databases Edit this at Wikidata
National
Israel
Other
Yale LUX
Categories: IUCN Red List least concern speciesIlexPlants used in bonsaiFlora of AlabamaFlora of ArkansasFlora of ChiapasFlora of CubaFlora of FloridaFlora of Georgia (U.S. state)Flora of LouisianaFlora of MississippiFlora of North CarolinaFlora of OklahomaFlora of South CarolinaFlora of TexasFlora of VirginiaPlants described in 1789Taxa named by William AitonCaffeineHerbal and fungal stimulantsPlants used in traditional Native American medicineTrees of Northern AmericaEmetics
This page was last edited on 10 November 2025, at 02:17 (UTC).
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