Bryonia

For the Royal Navy ships, see HMS Bryony.

Bryonia
red bryony (B. dioica)
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Cucurbitales
Family:	Cucurbitaceae
Subfamily:	Cucurbitoideae
Tribe:	Benincaseae
Subtribe:	Benincasinae
Genus:	Bryonia L.
Diversity
12 species

Bryonia is a genus of flowering plant in the gourd family. Bryony /ˈbraɪ.əni/ is its best-known common name. They are native to western Eurasia and adjacent regions, such as North Africa, the Canary Islands and South Asia.

Male flower of white bryony (B. alba)

Description and ecology

Bryonies are perennial, tendril-climbing, diclinous or dioecious herbs with palmately lobed leaves and flowers in axillary clusters. The fruit is a smooth, globular berry.

The only English species, B. dioica (white bryony), grows in hedgerows as far north as Yorkshire.

Bryonia is used as a food plant by the larvae of some Lepidoptera (butterflies and moths), including the tortrix moth Phtheochroa rugosana (recorded on red bryony, B. dioica) and the Cabbage Moth (Mamestra brassicae).

Use by humans

Bryonies are occasionally grown in gardens, sometimes accidentally, sometimes deliberately so. Some species find use in herbal medicine. Generally however, these plants are poisonous, some highly so, and may be fatal if ingested. Cucurbitacin glycosides are primarily responsible for the plants' bitterness and emetic effects.

Variants of the plants' name, such as Briony, Bryonie and Bryony, are used in some cultures as female given names. They were quite popular in the 18th century.

The Royal Navy of the United Kingdom named two ships HMS Bryony after the plant.

Species

The toxic berries of red bryony (B. dioica)

Twelve species are presently accepted by the USDA:^[1] Ten of these are supported in a molecular-phylogenetic analysis:^[2]

• Bryonia acuta Desf. (formerly sometimes included in B. cretica)
• Bryonia alba L. – white bryony
• Bryonia aspera Steven ex Ledeb.
• Bryonia cretica L. – Cretan bryony
• Bryonia dioica Jacq. – white or red bryony (formerly sometimes included in B. cretica)
• Bryonia lappifolia Vassilcz.
• Bryonia marmorata E.M.A.Petit
• Bryonia melanocarpa Nabiev
• Bryonia monoica Aitch. & Hemsl.
• Bryonia multiflora Boiss. & Heldr.
• Bryonia syriaca Boiss.
• Bryonia verrucosa Aiton

Formerly placed here

• Many species of Cayaponia ("American bryonies")
• Several species of Cucumis, Solena and Zehneria
• Coccinia abyssinica
• Corallocarpus epigaeus
• Diplocyclos palmatus
• Kedrostis africana
• Melothria pendula (as B. guadalupensis)
• Trichosanthes ovigera (as B. cucumeroides)

See also

• Bryonopsis (meaning "looks like bryony"), a now-invalid genus currently assigned to close (Diplocyclos) and somewhat more distant (Kedrostis) relatives of Bryonia

Footnotes

1. USDA (2009)
2. Volz and Renner (2009)

References

• United States Department of Agriculture (USDA) (2009): Germplasm Resources Information Network – Bryonia. Version of 2009-MAY-15. Retrieved 2010-APR-15.
• Volz, S. M., and S. S. Renner (Volz and Renner) 2009. Phylogeography of the ancient Eurasian medicinal plant genus Bryonia (Cucurbitaceae) inferred from nuclear and chloroplast sequences. Taxon 58(2): 550-560.
• Renner S. S., Scarborough J., Schaefer H., Paris H.S., and J. Janick. (Renner et al. (2008) Dioscorides’s Bruonia melaina is Bryonia alba, not Tamus communis, and an illustration labeled Bruonia melaina in the Codex Vindobonensis is Humulus lupulus not Bryonia dioica. pp. 273–280. In: Pitrat, M., ed., Cucurbitaceae 2008, https://w3.avignon.inra.fr/dspace/handle/2174/218

External links

• Medicinal uses of Bryonia alba - Note: This is a historical document from the 1930s and may not be medically accurate today.
• Bryonia cretica Flowers in Israel