7.3 (2014): 532-539. By 1945 it had natural-ized along the West Coast. Ethnobotany Himalayan blackberry is a bit of a misnomer because it isn’t even from the Himalayas. Foliage. Native Range: Europe. Evergreen blackberry leaves are deeply incised, jagged-toothed and green on both upper and lower leaf surfaces. Print. Invasive Plant Science and Management. This is often called “white felt.” This is similar to the appearance of the undersides of raspberry leaves. It has small, white/ pink-colored flowers that may be found on the plant. The leaves are toothed on … Himalayan Blackberry and Evergreen Blackberry Identification and Information "). R. armeniacus is considered to be a member of the broad R.fruticosus L. aggregate. Koenigia polystachya. Rubus bifrons, Rubus discolor, Rubus procerus) Description: Himalayan Blackberry is a tall semi-woody shrub, characterized by thorny stems and edible fruits. This weed is a strong competitor. Taxonomic Rank: Magnoliopsida: Rosales: Rosaceae. 2017/11/26 - Himalayan Blackberry (Rubus armeniacus or Rubus discolor) Identification, Impacts and Noxious Weed Status in King County, Washington. Prevention • Monitor for Himalayan blackberry … This species spreads aggressively and has severe negative impacts to native plants, wildlife and livestock. Rubus allegheniensis × Rubus hispidus → This rare blackberry hybrid is known from MA, ME, NH, VT. The canes are biennial, stout, arching, and greenish-red with large thorns. Most of these plants have woody stems with prickles like roses; spines, bristles, and gland-tipped hairs are also common in the genus. Canes have the ability to root at the tips and produce axillary daughter plants. Stems grow to 15 ft. (4.6 m) before arching and trail the ground for up to 40 ft. (12.2 m). Himalayan blackberry. R. armeniacus has two frequently used, but incorrect, synonyms that cause much confusion, R. procerus and R. discolor. Identification: Evergreen shrub that forms dense thickets and brambles. HBB was probably first introduced to North America in 1885 as a culti-vated crop. Common names: Himalayan blackberry. Himalayan knotweed. IMPACTS Himalayan blackberry forms thick, impenetrable thickets of live and dead canes, which degrade the quality of riparian habitats as well as forest edges, transportation and utility corridors, and fence lines. Rubus armeniacus is a perennial shrub, that is native to Eurasia. It was found invading natural areas by the 1970s, and it is currently recorded in most states east of the Mississippi River and in Alabama (USDA PLANTS Database). Himalayan Blackberry by Soulshine Cannabis is a strain that blends earthy flavors with relaxed physical attributes. The Rubus genus is large and very complex consisting of more than 750 species. Ingham, Claudia S. "Himalaya Blackberry (rubus Armeniacus) Response to Goat Browsing and Mowing." , 2012. Blackberry thorns are heavy-duty and definitely not to be tangled with whereas the Black raspberry thorns are somewhat less challenging due to their smaller overall size. Blackberries (Rubus spp.) In their second year, the shoots become smooth and produce flowering canes whose smaller leaves have 3 leaflets. IPM is a decision-making process that includes identification and inventory of invasive plant populations, assessment of the risks that they pose, development of well-informed control options that may include a number of methods, site treatment, and monitoring. Canes grow to 3 m in height and up to 12 m in length. Himalayan blackberry (HBB) is a native of Western Europe. • Lifecycle: Evergreen shrub that forms dense thickets • Stem: Can grow up to 3 metres high and 10-12 metres long, and have sharp thorns Rubus armeniacus is an arching woody shrub. Himalayan Blackberry (Rubus armeniacus) is a perennial, thicket forming shrub . Control is recommended but not required because it is widespread in King County. Flowers : Blackberry flowers are white to pinkish, and consist of 5 stalked petals. For more information on noxious weed regulations and definitions, see Noxious weed lists and laws. IDENTIFICATION Himalayan blackberry can be easily confused with native trailing blackberry (Rubus ursinus) and invasive cut-leaf blackberry (Rubus laciniatus). Wineberry (Rubus phoenicolasius)is an invasive shrub in the same genus as raspberries and blackberries. Stems are stiff and five-angled with large prickles. It was introduced to North America in the 1890s as breeding stock for raspberries. What’s more, Himalayan blackberry isn’t the only invasive blackberry growing in our area — though it is the most common. Himalayan blackberry grows aggressively, causing harmful environmental and economic impacts. General: Himalayan Blackberry is a mostly biennial bramble, mostly recognizable by its prickly stems and edible black berries. Young stems are erect, but arch as they lengthen, eventually touching the ground and rooting at the nodes. How to Identify Blackberry Plants. It also lacks prickly stems and has a simple leaf with no leaflets. Mature plants can reach 15 feet in … Printer-Friendly PDF Rubus laciniatus/R. Wineberry creates spiny, inpenetrable thickets that reduce an area’s value for wildlife habitat and recreation. Internet resource. The plant out-competes native vegetation and spreads quickly, claiming large areas. Himalayan blackberry is attracted to watercourses and creates sites of erosion and flood risk by overthrowing deep-rooted plants. Gallery: Common names: Himalayan Blackberry, Armenian Blackberry Scientific Name: Rubus armeniacus (syns. Appearance. The leaflets occur in groups of three or five and each resembles a large rose leaf. Its leaves remain on the plant for a long period of time and sometimes persist all winter long in mild climates. It is a notorious invasive species in many countries around the world and costs millions of dollars for both control and in estimated impacts. Why control Himalayan and evergreen blackberries? One of the most helpful things I learned during this eco-stewardship session was how to tell the difference between a Himalayan blackberry shrub and a salmonberry shrub – we wouldn’t want to be digging up the native salmonberry vegetation, after all! The occurrence of polyploidy, hybridization and apomixis all contribute to the huge complexity of its taxonomy. Rubus is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, with 250–700 species.. Raspberries, blackberries, and dewberries are common, widely distributed members of the genus. Rubus armeniacus occurs in California in the coast ranges, Central Valley, and Sierra Nevada. Himalayan blackberry is valued by humans for its delicious berries; however, it easily invades disturbed sites, pastures, roadsides, streambanks, and forest edges. Synonym (s): Armenian Blackberry. Himalayan blackberry originates from the Armenia region, hence its scientific name, …