Alisma plantago-aquatica L., 1753
European water-plantain
The European water-plantain is a perennial flowering aquatic plant. It features a fibrous root system and several basal long-stemmed leaves measuring 15–30 cm (6–12 inches) in length. The plant has a triangular stem up to 1 meter (3+1⁄2 feet) tall, bearing numerous small white or pale purple flowers arranged in a branched inflorescence. Each flower is approximately 1 cm (1⁄2 inch) across with three round or slightly jagged petals and six stamens. The fruits appear as a ring of seeds inside each flower.
Details
Alismatales
Alismataceae
Alisma
The chemical constituents of Rhizoma Alismatis, the rhizomes of Alisma orientale (syn. Alisma plantago-aquatica var. orientale), include alisol A 24-acetate and alisol B 23-acetate. These compounds are used in traditional Chinese medicine.
The rootstocks contain starch and can be boiled or soaked to remove bitterness before eating. Aquatic plants should generally be cooked before consumption to kill parasites, according to some sources, the dried roots are used in popular medicine as a cure for rabies and the leaves are used against mammary congestion. It is also known as mad-dog weed due to its historical use in treating rabies.
June until August
1 meter (3+1⁄2 feet)
white or pale purple
It is found on mud or in fresh waters. This species is widespread across most of Europe and Asia, from Portugal and Morocco to Japan, Kamchatka and Vietnam. It is also native in northern and central Africa as far south as Tanzania, Australia. This species has been recorded to naturalize in southern Africa, New Zealand, Alaska, British Columbia, Washington state and Connecticut.
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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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