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A mountain plant with parsley-like leaves and white umbrella flowers. The root is the part you want. It’s wrinkled and brown on the outside and yellow-white on the inside with a strong parsley smell. There is a red color where the leaves attach to the root crown, which has hair-like dead leafy stuff around it. Can grow to 7 ft (2m). CAUTION- it often grows next to and closely resembles poison hemlock, but differences are- Osha has a spicy celery smell, hair-like growth on root crown and wrinkled chocolate-brown roots that smell like butterscotch when split. Hemlock roots are white. Hemlock leaves smell bad and are smaller than Osha leaves, which have a strong celery odor when disturbed. Hemlock usually has purple splotches on the stem. Osha holds its seeds upright.Be careful because these two usually grow right next to each other! Do not touch if you don’t know. Poison Hemlock can be absorbed through the skin. As for Osha, the most used part medicinally is the root, which is very hairy and brown on the outside, yellow on the inside, has camphor like scent due to its essential healing oil. Osha root is anti-inflammatory, antibacterial, anti-microbial, anesthetic, antiviral, expectorant, diaphoretic, diuretic, decongestant, stimulant, prevents gas, promotes menstruation. Strong antiviral properties- take at the first sign of a cold or flu. Root can be chewed fresh for strong anti-viral properties and also increasing lung capacity, especially at higher altitudes. Very effective combined with Echinacea against bronchitis, tuberculosis, cold, flu, cough, sinusitis, toothache, arthritis, carpal tunnel, upset stomach, nausea, vomiting, indigestion. Take as powder or tea. Do not take Osha for extended periods of time, take a week-long break every couple of months. Do not use during pregnancy.
Edible Plant Guide © 2012 Markus Rothkranz
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a river in Omsk Oblast, RSFSR, a left tributary of the Irtysh. It is 530 km long and drains an area of 21,300 sq km.

Originating in Lake Achikul’ (area 4.5 sq km), which is connected with Lakes Tenis (118 sq km) and Saltaim (146 sq km), the Osha flows through the Western Siberian Lowland. It is fed primarily by snow. The mean flow rate 316 km from the mouth is approximately 2.4 cu m per sec. There is high water in April and sometimes in May. The river freezes late in October, and the ice breaks up in the second half of April.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

Occupational Safety and Health Administration (OSHA)

An organization within the US Department of Labor, whose responsibilities include safety in the workplace; publishes standards in the US Code of Federal Regulations that govern safety in buildings during construction and during occupancy. These regulations may be obtained directly from OSHA: Occupational Safety and Health Administration, US Department of Labor, 200 Constitution Avenue, NW, Washington, DC 20210.


1. Abbr. for Occupational Safety and Health Administration, Department of Labor.
2. Abbr. for “Occupational Safety and Health Act.”
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.