Aralia spinosa, commonly known as devil's walkingstick, is a woody species of plants in the genus Aralia, family Araliaceae, native to eastern North America The various names refer to the viciously sharp, spiny stems, petioles, and even leaf midribs It has also been known as Angelica-tree1
This species is sometimes called Hercules' club, prickly ash, or prickly elder, common names it shares with the unrelated Zanthoxylum clava-herculis For this reason, Aralia spinosa is sometimes confused with that species and mistakenly called the Toothache Tree,2 but it does not have the medicinal properties of Zanthoxylum clava-herculis
Aralia spinosa is occasionally cultivated for its exotic, tropical appearance, having large lacy compound leaves It is closely related to the Asian species Aralia elata, a more commonly cultivated species with which it is easily confused
- 1 Description
- 2 Distribution and habitat
- 3 Uses
- 4 References
- 5 External links
Aralia spinosa is an aromatic spiny deciduous shrub or small tree growing 2–8 m 66–262 ft tall, with a simple or occasionally branched stem with very large bipinnate leaves 70–120 cm 28–47 in long The trunks are up to 15–20 cm 59–79 in in diameter, with the plants umbrella-like in habit with open crowns The young stems are stout and thickly covered with sharp spines The plants generally grow in clusters of branchless trunks, although stout wide-spreading branches are occasionally produced1
The flowers are creamy-white, individually small about 5 mm or 02 in across but produced in large composite panicles 30–60 cm 12–24 in long; flowering is in the late summer The fruit is a purplish-black berry 6–8 mm 024–031 in in diameter, ripening in the fall The roots are thick and fleshy
The doubly or triply compound leaves are the largest of any temperate tree in the continental United States, often about a meter three feet long and 60 cm two feet wide, with leaflets about 5–8 cm 20–31 in long The petioles are prickly, with swollen bases In the autumn the leaves turn to a peculiar bronze red touched with yellow which makes the tree conspicuous and attractive1
The habit of growth and general appearance of Aralia spinosa and related tree-forming Aralia species are unique It is usually found as a group of unbranched stems, rising to the height of 35–6 m 11–20 ft, which bear upon their summits a crowded cluster of doubly or triply compound leaves, thus giving to each stem a certain tropical palm-like appearance In the south it is said to reach the height of 15 m 49 ft, still retaining its palm-like aspect However, further north, the slender, swaying, palm-like appearance is most characteristic of younger plants that have not been damaged by winter storms1The trunk, showing the bark, leaf scars, and spines
- Bark: Light brown, divided into rounded broken ridges Branchlets one-half to two-thirds of an inch in diameter, armed with stout, straight or curved, scattered prickles and nearly encircled by narrow leaf scars At first light yellow brown, shining and dotted, later light brown
- Wood: Brown with yellow streaks; light, soft, brittle, close-grained
- Winter buds: Terminal bud chestnut brown, one-half to three-fourths of an inch long, conical, blunt; axillary buds flattened, triangular, one-fourth of an inch in length
- Leaves: Clustered at the end of the branches, compound, bi- and tri-pinnate, three to four feet long, two and a half feet broad The pinnae are unequally pinnate, having five or six pairs of leaflets and a long stalked terminal leaflet; these leaflets are often themselves pinnate The last leaflets are ovate, two to three inches long, wedge-shaped or rounded at base, serrate or dentate, acute; midrib and primary veins prominent They come out of the bud a bronze green, shining, somewhat hairy; when full grown are dark green above, pale beneath; midribs frequently furnished with prickles Petioles stout, light brown, eighteen to twenty inches in length, clasping, armed with prickles Stipules acute, one-half inch long
- Flowers: July, August Perfect or polygamomonoecious, cream white, borne in many-flowered umbels arranged in compound panicles, forming a terminal racemose cluster, three to four feet in length which rises, solitary or two or three together, above the spreading leaves Bracts and bractlets lanceolate, acute, persistent
- Calyx: Calyx tube coherent with the ovary, minutely five-toothed
- Corolla: Petals five, white, inserted on margin of the disk, acute, slightly inflexed at the apex, imbricate in bud
- Stamens: Five, inserted on margin of the disk, alternate with the petals; filaments thread-like; anthers oblong, attached on the back, introrse, two-celled; cells opening longitudinally
- Pistil: Ovary inferior, five-celled; styles five, connivent; stigmas capitate
- Fruit: Berry-like drupe, globular, black, one-fourth of an inch long, five-angled, crowned with the blackened styles Flesh thin, dark1
Distribution and habitatedit
Aralia spinosa is widespread in the eastern United States, ranging from New York to Florida along the Atlantic coast, and westward to Ohio, Illinois, and Texas It prefers a deep moist soil1 The plants typically grow in the forest Understory or at the edges of forests, often forming clonal thickets by sprouting from the roots
This tree was admired by the Iroquois because of its usefulness, and for its rarity The Iroquois would take the saplings of the tree and plant them near their villages and on islands, so that animals wouldn't eat the valuable fruit The fruit was used in many of the natives' foods The women would take the flowers and put them in their hair because of the lemony smell The flowers could also be traded for money
The young leaves can be eaten if gathered before the prickles harden They are then chopped finely and cooked as a potherb
Aralia spinosa was introduced into cultivation in 1688 and is still grown for its decorative foliage, prickly stems, large showy flower panicles clusters, and distinctive fall color These plants are slow growing, tough and durable, do well in urban settings, but bear numerous prickles on their stems, petioles, and leaflets These plants can be propagated from seeds or root cuttings3
- ^ a b c d e f Keeler, Harriet L 1900 Our Native Trees and How to Identify Them New York: Charles Scriber's Sons pp 165–168
- ^ Kristina Connor "Aralia spinosa" PDF Wildland Shrubs of the United States and its Territories: Thamnic Descriptions, General Technical Report IITF-WB-1, Edited by John K Francis International Institute of Tropical Forestry Retrieved 2008-08-24
- ^ Poor, Janet Meakin, and Nancy P Brewster 1994 Plants that merit attention Vol 2, Shrubs Portland, OR: Timber Press ISBN 0-88192-347-8 Page 34
|Wikimedia Commons has media related to Aralia spinosa|
- Aralia spinosa images at bioimagesvanderbiltedu
- Grieve, M Mrs 1931 A Modern Herbal: Aralia spinosa
United States Department of Agriculture Web page:
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