Viburnum prunifolium

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Viburnum prunifolium
Viburnum prunifolium USDA1.jpg
Foliage
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Dipsacales
Family: Adoxaceae
Genus: Viburnum
Species:
V. prunifolium
Binomial name
Viburnum prunifolium
L.
Viburnum prunifolium range map 2.png
Natural range

Viburnum prunifolium (known as blackhaw or black haw, blackhaw viburnum, sweet haw, and stag bush) is a species of Viburnum native to eastern North America, from Connecticut west to eastern Kansas, and south to Alabama and Texas. [2]

Contents

Growth

Flowers Viburnum prunifolium USDA2.jpg
Flowers

It is a deciduous shrub or small tree growing to 2–9 metres (7–30 ft) tall with a short crooked trunk and stout spreading branches; in the northern parts of its range, it is a shrub, becoming a small tree in the southern parts of its range. The bark is reddish-brown, very rough on old stems. The branchlets are red at first, then green, finally dark brown tinged with red. The winter buds are coated with rusty tomentum. The flower buds ovate, 1 cm long, much larger than the axillary buds. The leaves are simple, arranged oppositely, up to 9 cm long and 6 cm broad, oval, ovate or orbicular, wedge-shaped or rounded at base, serrate, acute, with serrated edges with a grooved and slightly winged red petiole 1.5 cm long; they turn red in fall. The leaves are superficially similar to some species of Prunus (thus "prunifolium"); they come out of the bud involute, shining, green, tinged with red, sometimes smooth, or clothed with rusty tomentum; when full grown dark green and smooth above, pale, smooth or tomentose beneath. [3] [4] [5] [6]

Characteristics

Botanical illustration Viburnum prunifolium illustration 001.jpg
Botanical illustration

The flowers are creamy white, 9 mm diameter; the calyx is urn-shaped, five-toothed, persistent; the corolla is five-lobed, with rounded lobes, imbricate in bud; the five stamens alternate with the corolla lobes, the filaments slender, the anthers pale yellow, oblong, two-celled, the cells opening longitudinally; the ovary is inferior, one-celled, with a thick, pale green style and a flat stigma and a single ovule. The flowers are borne in flat-topped cymes 10 cm in diameter in mid to late spring. The fruit is a drupe 1 cm long, dark blue-black with glaucous bloom, hangs until winter, becomes edible after being frosted, then eaten by birds; the stone is flat and even, broadly oval. Wherever it lives, black haw prefers sunny woodland with well-drained soil and adequate water. [3] [4] [5] [6]

Conservation status in the United States

It is threatened in Connecticut. [7]

Uses

It has both value in the pleasure garden, providing good fall color and early winter provender for birds, and medicinal properties.

It has hybridized with Viburnum lentago in cultivation to give the garden hybrid Viburnum × jackii.

The wood is brown tinged with red; heavy, hard, close-grained with a specific gravity of 0.8332. [5]

As food

The Meskwaki eat the fruit raw and also cook them into a jam. [8]

Medicinal

For centuries, black haw has been used for medical purposes, mainly for gynecological conditions. The bark is the part of the plant used in treatments. [4]

The active components include scopoletin, aesculetin, salicin, 1-methyl-2,3 dibutyl hemimellitate, and viburnin. Tannin is another chemical component of black haw. [4]

Native Americans used a decoction of black haw to treat gynecological conditions, including menstrual cramps, aiding recovery after childbirth, and in treating the effects of menopause. [6] As a folk remedy, black haw has been used to treat menstrual pain, and morning sickness. Due to its antispasmodic properties, the plant may also be of use in treating cramps of the digestive tract or the bile ducts. [4]

Black haw's primary use was to prevent miscarriages. [4] The primary use of black haw today is to prevent menstrual cramps. The salicin in black haw may also be of use in pain relief. [6]

By specific Native American tribes

The Cherokee have several uses for the plant. They take an infusion of it to prevent recurrent spasms, use the root bark as a diaphoretic and a tonic, and take a compound infusion of it for fever, smallpox and ague. They also use an infusion of the bark as a wash for a sore tongue. [9] The Lenape combine the root bark with leaves of other plants and use it to strengthen female reproductive tract [10] or use the root bark in a tonic alone. [11] The Mi'kmaq take an infusion of the plant before and during parturition. [12]

Safety issues

Like many other plants, including many food plants and those used as culinary herbs, black haw contains salicin, a chemical relative of aspirin. Those who are allergic to that substance should not use black haw. [4] In addition, due to the connection between aspirin and Reye syndrome, young people or people afflicted with a viral disease should not use black haw.

The chemicals in black haw do relax the uterus and therefore probably prevent miscarriage; however, the salicin may be teratogenic. Consequently, pregnant women should not use black haw in the first two trimesters. [6] Although it has been used traditionally to prevent miscarriage. Furthermore, anyone using herbs for medical reasons should only use them under the supervision of a qualified medical professional.

Black haw is not on the "generally recognized as safe list" of the U.S. Food and Drug Administration (FDA). [13]

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<span class="mw-page-title-main">Meskwaki</span> Indigenous people of North America

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This is a list of plants used by the indigenous people of North America. For lists pertaining specifically to the Cherokee, Iroquois, Navajo, and Zuni, see Cherokee ethnobotany, Iroquois ethnobotany, Navajo ethnobotany, and Zuni ethnobotany.

See also Zuni ethnobotany, and Native American ethnobotany.

This is a list of plants documented to have been traditionally used by the Cherokee, and how they are used.

References

  1. Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group (2020). "Viburnum prunifolium". IUCN Red List of Threatened Species . 2020: e.T88331553A88331556. doi: 10.2305/IUCN.UK.2020-1.RLTS.T88331553A88331556.en . Retrieved 19 November 2021.
  2. "Viburnum prunifolium". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 8 January 2018.
  3. 1 2 Missouriplants: Viburnum prunifolium
  4. 1 2 3 4 5 6 7 Andrew Chevallier (1996). The Encyclopedia of Medicinal Plants: A practical reference guide to more than 550 key medicinal plants and their uses. Reader's Digest. p. 279. ISBN   0-88850-546-9.
  5. 1 2 3 Keeler, H. L. (1900). Our Native Trees and How to Identify Them. New York: Charles Scribner's Sons. pp.  184.
  6. 1 2 3 4 5 Michael Castleman (1991). Healing Herbs: The Ultimate Guide to the Curative Power of Nature's Medicine. Rodale Press. pp. 79–81. ISBN   0-87857-934-6.
  7. "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 31 December 2017.(Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)
  8. Smith, Huron H., 1928, Ethnobotany of the Meskwaki Indians, Bulletin of the Public Museum of the City of Milwaukee 4:175-326, page 256
  9. Hamel, Paul B. and Mary U. Chiltoskey, 1975, Cherokee Plants and Their Uses -- A 400 Year History, Sylva, N.C. Herald Publishing Co., page 62
  10. Tantaquidgeon, Gladys, 1972, Folk Medicine of the Delaware and Related Algonkian Indians, Harrisburg. Pennsylvania Historical Commission Anthropological Papers #3, page 31
  11. Tantaquidgeon, Gladys, 1942, A Study of Delaware Indian Medicine Practice and Folk Beliefs, Harrisburg. Pennsylvania Historical Commission, page 26, 80
  12. Wallis, Wilson D., 1922, Medicines Used by the Micmac Indians, American Anthropologist 24:24-30, page 28
  13. "SUBSTANCES GENERALLY RECOGNIZED AS SAFE". Code of Federal Regulations - Title 21, Volume 6. Food and Drug Administration. 2006-04-01. Retrieved 2007-03-08.

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