Bryonia alba
White Bryony
White Bryony is a vigorous, herbaceous perennial vine known for its destructive potential as an invasive weed. It is monoecious but diclinous, with separate male and female flowers on the same plant. The vine has a tuberous yellow root and produces greenish-white flowers that are about 1 cm across. It also has long curling tendrils and palmately lobed leaves from which the flowers and fruit emerge. The fruit is a 1.5 cm berry that turns black as it ripens.
Details
Cucurbitales
Cucurbitaceae
Bryonia
All parts of White Bryony contain bryonin, a toxic compound that can cause illness or death if ingested. The plant is poisonous to both humans and livestock, with forty berries constituting a lethal dose for adult humans.
White Bryony is not typically used medicinally due to its toxicity. However, it serves as a food plant for the larvae of cabbage moths.
Summer
Up to several meters
Greenish-white
Europe and Northern Iran, introduced to the United States. It thrives in native hawthorn patches, windbreak, shelterbelt, riparian buffer, and wildlife plantings.
Info
Pannon Flora Ltd. was founded on December 13, 1999, by Gábor Janik, who retains 95% ownership. Janik holds an MSc in Horticulture from the University of Horticultural Sciences (1986) and an Advanced Professional English Certification from the College of International Trade (1990). The company specializes in bird feed production and export, primarily serving markets in Italy, Germany, the Netherlands, and the UK, alongside cultivating and distributing imported/exported horticultural seeds. It maintains exclusive partnerships with JOEUN Seed (South Korea) and Takii Europe (Japan), a leader in professional seed breeding and production. Pannon Flora collaborates with certification bodies such as NÉBIH (National Food Chain Safety Office), MERT Kontroll, and SGS Hungary to ensure compliance and quality. The company works with approximately 400 Hungarian growers, ranging from small-scale producers (under 5 hectares) to mid-sized farms and large-scale agricultural enterprises. This profile emphasizes agribusiness expertise, technical partnerships, and operational scalability tailored to international client needs.
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