Definitions for duboisia

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Webster Dictionary

  1. Duboisia(noun)

    same as Duboisine

Freebase

  1. Duboisia

    Duboisia is a genus of small perennial shrubs to trees about 14 m tall, with extremely light wood and a thick corky bark. There are four species; all occur in Australia, and one also occurs in New Caledonia. The alternate, glabrous leaves are narrow and elliptical. The inflorescence is an open cymose panicle of apically small white flowers, sometimes with a purple or mauve striped tube. They flower profusely in spring. The fruit is a small, globular, black, juicy berry. The nicotine, scopolamine and hyoscyamine-containing leaves of Duboisia are the active component of the drug pituri, used by indigenous peoples of central Australia for its stimulant, euphoric, antispasmodic and analgesic effects. For example, smoke from the burning leaves is inhaled at ceremonies, such as male initiation rites, including circumcision, in part because of its anaesthetic properties and ability to induce altered states of consciousness. The dried leaves of Duboisia hopwoodii is also mixed with ash from Acacia species and chewed. One paleontologist, Dr Gavin Young, named the fossil agnathan Pituriaspis doylei after pituri, as he thought he might be hallucinating upon viewing the fossil fish's bizarre form. Prior to European settlement in Australia, pituri was exported along trade routes and used by indigenous peoples far from central Australia, including Torres Strait Islanders.

U.S. National Library of Medicine

  1. Duboisia

    A plant genus of the family SOLANACEAE that is a source of SCOPOLAMINE and other TROPANES.

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