Viburnum trilobum
Encyclopedia
Viburnum trilobum is a species of Viburnum
Viburnum
Viburnum is a genus of about 150–175 species of shrubs or small trees in the moschatel family, Adoxaceae. Its current classification is based on molecular phylogeny...

native to northern North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

, from Newfoundland west to British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

, south to Washington state and east to northern Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

, with an isolated population in New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

. It is very closely related to the Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an and Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

n Viburnum opulus
Viburnum opulus
Viburnum opulus is a species of Viburnum, native to Europe and Asia. Some botanists also treat the closely related North American species Viburnum trilobum as a variety of it , or a subspecies, Viburnum opulus subsp...

, and is often treated as a variety
Variety (biology)
In botanical nomenclature, variety is a taxonomic rank below that of species: as such, it gets a three-part infraspecific name....

 of it, as Viburnum opulus L. var. americanum Ait.
William Aiton
William Aiton was a Scottish botanist.Aiton was born near Hamilton. Having been regularly trained to the profession of a gardener, he travelled to London in 1754, and became assistant to Philip Miller, then superintendent of the Chelsea Physic Garden...

, or as a subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

, Viburnum opulus
Viburnum opulus
Viburnum opulus is a species of Viburnum, native to Europe and Asia. Some botanists also treat the closely related North American species Viburnum trilobum as a variety of it , or a subspecies, Viburnum opulus subsp...

subsp. trilobum (Marshall) Clausen.

Description

It is a deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 growing to 4 m tall. The bark
Bark
Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines and shrubs. Bark refers to all the tissues outside of the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark. The inner...

 is gray and rough and has a scaly texture. The stems arch and are very dense, and the twigs are a reddish-brown color. The leaves are opposite, three-lobed, 6-12 cm long and 5-10 cm broad, with a rounded base and serrated margins; they are superficially similar to many maple
Maple
Acer is a genus of trees or shrubs commonly known as maple.Maples are variously classified in a family of their own, the Aceraceae, or together with the Hippocastanaceae included in the family Sapindaceae. Modern classifications, including the Angiosperm Phylogeny Group system, favour inclusion in...

 leaves, most easily distinguished by their somewhat wrinkled surface with impressed leaf venation. The leaf buds are green. The bud scales are valvate
Bud
In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of the stem. Once formed, a bud may remain for some time in a dormant condition, or it may form a shoot immediately. Buds may be specialized to develop flowers or short shoots, or may have...

. The flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s are white, produced in corymbs up to 13 cm diameter at the top of the stems; each corymb comprises a ring of outer sterile flowers 2-2.5 cm diameter with conspicuous petals, surrounding a center of small (5 mm), fertile flowers; the flowers are pollinated
Pollination
Pollination is the process by which pollen is transferred in plants, thereby enabling fertilisation and sexual reproduction. Pollen grains transport the male gametes to where the female gamete are contained within the carpel; in gymnosperms the pollen is directly applied to the ovule itself...

 by insect
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...

s. The fruit
Fruit
In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...

 is an oblong red drupe
Drupe
In botany, a drupe is a fruit in which an outer fleshy part surrounds a shell of hardened endocarp with a seed inside. These fruits develop from a single carpel, and mostly from flowers with superior ovaries...

 15 mm long and 12 mm broad, containing a single flat, white seed
Seed
A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...

. Plants begin to produce fruit at approximately five years of age; when animals, including birds, eat the fruits, they deposit the seeds in another location in their droppings.

Uses

Although often called "Highbush Cranberry", it is not a cranberry
Cranberry
Cranberries are a group of evergreen dwarf shrubs or trailing vines in the subgenus Oxycoccus of the genus Vaccinium. In some methods of classification, Oxycoccus is regarded as a genus in its own right...

. The name comes from the red fruits which look superficially like cranberries, and have a similar flavor and ripen at the same time of year. The fruits, sour and rich in vitamin C
Vitamin C
Vitamin C or L-ascorbic acid or L-ascorbate is an essential nutrient for humans and certain other animal species. In living organisms ascorbate acts as an antioxidant by protecting the body against oxidative stress...

, can be eaten raw or cooked into a sauce to serve with meat or game.

Pests and diseases

The larvae and adults of the Viburnum leaf beetle
Pyrrhalta viburni
Pyrrhalta viburni is a species of leaf beetle native to Europe and Asia, commonly known as the viburnum leaf beetle. Introduced to North America in 1947, it can "skeletonize" Viburnum bushes, eventually killing them....

 feed on the leaves and may completely defoliate the plant, and repeated damage can kill it.

In culture

This is a commonly used berry in Western Canadian cultures. Peoples of various origins both Native and European have used the berries for many years.

The Canadian French name for the berries is Pembina
Pembina
-Canada:*Pembina , a neighbourhood in Edmonton, Alberta*Pembina Institute, an environmental research group*Pembina River , a river in central Alberta*Pembina River Provincial Park, a provincial park in Alberta...

. The name Pembina was then applied to two rivers
Pembina River
Pembina River can refer to:*Pembina River , a river in southern Manitoba, Canada and northern North Dakota, United States*Pembina River , a river in central Alberta, Canada...

, one in Manitoba and North Dakota, and one in Alberta, and from the rivers the named was applied to several other places and institutions.

The Ukrainians(and Russians) called the berry Kalyna, which is now the name of an ecomusem in Alberta, Kalyna Country
Kalyna Country
The Kalyna Country ecomuseum is a heritage and eco-tourism district in East Central Alberta, Canada, named after the highbush cranberry plant, pronounced in the Ukrainian language....

.

External links

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