Dioscorea communis L.
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Dioscorea communis

Family: DIOSCOREACEAE
Genus: Dioscorea
Species: communis L.
Common names: Black Bryony
Pharmacopoeia Londinensis name: Bryonia nigra
Distribution summary: N.Africa to W.Asia
Habit: Perennial
Hardiness: H5 - Hardy; cold winter
Habitat: Lowland, open woodland, grassland, scrub and verges
Garden status: Currently grown
Garden location: Pharmacopoeia Londinensis 1618 'Roots' (HSE 3)
Flowering months: May, June, July
Reason for growing: Commemorative, medicinal, toxic

Additional Notes

Previously grown as Tamus communis (11/12/20) (FDA)

Plants of the World online, Kew Science http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:20005752-1 Link

Used internally to induce vomiting in the Middle Ages

North, Pamela. (1967). Poisonous Plants & Fungi in colour, Blanford Press

Culpeper: regarded Bryonia dioica, white bryony (q.v.), as having the same properties.

Culpeper, Nicholas. (1650). A Physical Directory . London, Peter Cole.

Notes: The roots and berries are highly toxic, produce violent purgation and ‘death comes rapidly’ (Medical Botany, 1997).

Lewis, WH, Elvin-Lewis, MPF. (2003). Medical Botany, Wiley

Highly toxic due to saponin content and possibly to oxalate crystals.

Professor Anthony Dayan, 2022

Africa, Macaronesia, Canary Is.

Africa, Macaronesia, Madeira

Africa, Northern Africa, Algeria

Africa, Northern Africa, Morocco

Africa, Northern Africa, Tunisia

Asia-Temperate, Caucasus

Asia-Temperate, Western Asia, Iran

Asia-Temperate, Western Asia, Iraq

Asia-Temperate, Western Asia, Israel

Asia-Temperate, Western Asia, Jordan

Asia-Temperate, Western Asia, Lebanon-Syria

Asia-Temperate, Western Asia, Turkey

Europe, Eastern Europe, Ukraine

Europe, Middle Europe

Europe, Northern Europe, Great Britain

Europe, Southeastern Europe

Europe, Southwestern Europe

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