name = Dogwood
image_width = 240px
image_caption = European Cornel ("Cornus mas")
divisio = Magnoliophyta
genus = "Cornus"
subdivision_ranks = Subgenera
subdivision ="Cornus" "Swida" "Chamaepericlymenum" "Benthamidia"
The Dogwoods comprise a group of 30-50 species of mostly
deciduous woody plants growing as shrubs and trees, some species are herbaceous perennial plants and a few of the woody species are evergreen. They are in the family Cornaceae, divided into one to nine genera or subgenera (depending on botanical interpretation). Four subgenera are enumerated here.
*Flower clusters semi-showy, usually white or yellow, in cymes with large showy bracts, fruit red, blue or white:
**(Sub)genus "Cornus". Cornels; four species of shrubs or small trees; flower clusters with a deciduous involucre.
Cornus chinensis" ( Chinese Cornel). China.
Cornus mas" ( European Cornelor Cornelian-cherry). Mediterranean.
Cornus officinalis" (Japanese Cornel). China, Korea, Japan.
Cornus sessilis" (Blackfruit Cornel). California.
**(Sub)genus "Swida". Dogwoods; about 20-30 species of shrubs; flower clusters without an involucre.
Cornus alba" ("Swida alba"; Siberian Dogwood). Siberia and northern China.
Cornus alternifolia" ("Swida alternifolia"; Pagoda Dogwoodor Alternate-leaf Dogwood). Eastern North America north to extreme southeast Canada.
Cornus amomum" ("Swida amomum"; Silky Dogwood). Eastern U.S. east of the Great Plains except for deep south, and extreme southeast Canada.
Cornus asperifolia" ("Swida asperifolia"; Rough-leaf Dogwood).
Cornus austrosinensis" ("Swida austrosinensis"; South China Dogwood). East Asia.
Cornus bretschneideri" ("Swida bretschneideri"; Bretschneider's Dogwood). Northern China.
Cornus controversa" ("Swida controversa"; Table Dogwood). East Asia.
Cornus coreana" ("Swida coreana"; Korean Dogwood). Northeast Asia.
Cornus drummondii" ("Swida drummondii"; Roughleaf Dogwood). U.S. between the Appalachian belt and the Great Plains, and southern Ontario.
Cornus foemina" ("Swida foemina"; Stiff Dogwood) Southeastern, Southern, and Eastern United States.
Cornus glabrata" ("Swida glabrata"; Brown Dogwood or Smooth Dogwood). Western North America.
Cornus hemsleyi" ("Swida hemsleyi"; Hemsley's Dogwood). Southwest China.
Cornus koehneana" ("Swida koehneana"; Koehne's Dogwood). Southwest China.
Cornus macrophylla" ("Swida macrophylla"; Large-leafed Dogwood). East Asia.
Cornus obliqua" ("Swida obliqua"; Pale Dogwood). Eastern North America.
Cornus paucinervis" ("Swida paucinervis"). China.
Cornus racemosa" ("Swida racemosa"; Northern Swamp Dogwoodor Gray Dogwood). Extreme southeast Canada and northeast U.S.
Cornus rugosa" ("Swida rugosa"; Round-leaf Dogwood). Southeast Canada and extreme northeast U.S.
Cornus sanguinea" ("Swida sanguinea"; Common Dogwood). Europe.
Cornus sericea" ("C. stolonifera; Swida stolonifera"; Red Osier Dogwood). Northern North America.
Cornus stricta" ("Swida stricta"; Southern Swamp Dogwood). Southeast U.S.
Cornus walteri" ("Swida walteri"; Walter's Dogwood). Central China.
Cornus wilsoniana" ("Swida wilsoniana"; Wilson's Dogwood). Central China.
*Flower clusters inconspicuous, usually greenish, surrounded by large, showy petal-like bracts; fruit usually red:
**(Sub)genus "Chamaepericlymenum". Bunchberries or Dwarf cornels; two species of creeping
subshrubs growing from woody stolons.
Cornus canadensis" ("Chamaepericlymenum canadense"; Canadian Dwarf Cornelor Bunchberry) Northern North America.
Cornus suecica" ("Chamaepericlymenum suecicum"; Eurasian Dwarf Cornelor Bunchberry). Northern Eurasia, locally in extreme northeast and northwest North America.
***"Cornus × unalaschkensis" (hybrid "C. canadensis" × "C. suecica"). Aleutian Islands, Greenland, Labrador.
**(Sub)genus "Benthamidia" (syn. subgenus "Dendrobenthamia", subgenus "Cynoxylon"). Flowering dogwoods; five species of trees, divisible into two subgroups ("Benthamidia", with individual drupes, and "Dendrobenthamia", with the drupes coalaced into a compound fruitRushforth, K. (1999). "Trees of Britain and Europe". Collins ISBN 0-00-220013-9.] ).
Cornus capitata" ("Benthamidia capitata", "Dendrobenthamia capitata"; Himalayan Flowering Dogwood). Himalaya.
Cornus florida" ("Benthamidia florida"; Flowering Dogwood). U.S. east of the Great Plains, north to southern Ontario.
Cornus hongkongensis" ("Benthamidia hongkongensis", "Dendrobenthamia hongkongensis"; Hongkong Dogwood). Southern China, Laos, Vietnam.
Cornus kousa" ("Benthamidia kousa", "Dendrobenthamia kousa"; Kousa Dogwood). Japan and (as subsp. "chinensis") central and northern China.
Cornus nuttallii" ("Benthamidia nuttallii"; Pacific Dogwood). Western North America from British Columbiato California.
Characteristics of Dogwood
Most species have opposite leaves and a few have alternate. The
fruitof all species is a drupewith one or two seeds. Flowers have four parts.
Many species in subgenus "Swida" are
stoloniferous shrubs, growing along waterways. Several of these are used in naturalizing landscape plantings, especially the species with bright red or bright yellow stems. Most of the species in subgenus "Benthamidia" are small trees used as ornamental plants. As flowering trees, they are of rare elegance and beauty, comparable to Carolina silverbell, Canadian serviceberry, and the Eastern Redbudfor their ornamental qualities.
fruitof several species in the subgenera "Cornus" and "Benthamidia" is edible, though without much flavour. The berries of those in subgenus "Swida" are mildly toxic to people, though readily eaten by birds. Dogwoods are used as food plants by the larvae of some Lepidopteraspecies including Emperor Moth, The Engrailed, Small Angle Shadesand the following case-bearers of the genus " Coleophora": "C. ahenella", "C. salicivorella" (recorded on "Cornus canadensis"), "C. albiantennaella", "C. cornella" and "C. cornivorella" (The latter three feed exclusively on "Cornus").They were used by pioneers to brush their teeth.The pioneers would peel off the bark, bite the twig and then scrub their teeth.
Dogwood in government insignia
Numerous varieties of Dogwood are represented in the insignia of U.S. states and Canadian provinces.
inflorescenceof Pacific Dogwood is the official flower of the province of British Columbia
The Dogwood (Cornus florida) and its inflorescence are the state tree and the state flower respectively for the U.S. Commonwealth of
Virginia. It is also the state tree of Missouriand the state flower of North Carolina.
Etymology and other meanings
The word dogwood comes from dagwood, from the use of the slender stems of very hard
woodfor making 'dags' (daggers, skewers).Vedel, H., & Lange, J. (1960). "Trees and Bushes in Wood and Hedgerow". Metheun & Co. Ltd., London.] The wood was also highly prized for making loom shuttles, arrows, tool handles, and other small items that required a very hard and strong wood.
Larger items were also made of dogwood such as the screw in basket-style wine or fruit presses, also made were the first styles of the tennis racket made out of the bark cut in thin strips.
Another earlier name of the dogwood in English is the whipple-tree. Geoffrey Chaucer uses the word whippletree in the Canterbury Tales (The Knight's Tale, verse 2065) to refer to the dogwood. Another larger item made of dogwood still bears the name of the tree from which it is carved. The whippletree is an element of the traction of a horse-drawn cart, which links the drawpole of the cart to the harnesses of the horses in file.
The name Dog-Tree entered English vocabulary by 1548, and had been further transformed to Dogwood by 1614. Once the name dogwood was affixed to the tree, it soon acquired a secondary name as the Hound's Tree, while the fruits came to be known as dogberries or houndberries (the latter a name also for the berries of
Black nightshade& alluding to Hecate's hounds).
It is possible that the common name of Dogwood may have come because “dogs were washed with a brew of its bark, hence Dogwood.” Another name is blood-twig, due to the red colour it turns in autumn.
The legend of the dogwood
There is a
Christian legendof unknown origin that proclaims that the cross used to crucify Jesus was constructed of dogwood. [ [http://www.footprint.co.za/aileen_old_legend_of_the_dogwood.htm The Old Legend of the Dogwood ] ] As the story goes, during the time of Jesus, the dogwood was larger and stronger than it is today and was the largest tree in the area of Jerusalem. After his crucifixion, Jesus changed the plant to its current form: he shortened it and twisted its branches to assure an end to its use for the construction of crosses. He also transformed its inflorescence into a representation of the crucifixion itself, with the four white bractscross-shaped, which represent the four corners of the cross, each bearing a rusty indentation as of a nail and the red stamens of the flower, represents Jesus' crown of thorns, and the clustered red fruit represent his blood. [ [http://www.gotquestions.org/legend-dogwood.html What is the legend of the dogwood tree? Was the cross Jesus was crucified on made of dogwood? ] ]
* [http://hua.huh.harvard.edu/china/mss/volume14/CORNACEAE.pdf Asian dogwoods]
* [http://www.cas.vanderbilt.edu/bioimages/species/frame/coal2.htm "Cornus alternifolia" images at bioimages.vanderbilt.edu] doggywoods
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