Alisma lanceolatum With.
Alisma lanceolatum
Alisma lanceolatum, commonly known as lanceleaf water plantain or narrow-leaved water plantain, is a perennial aquatic herb. It grows from a caudex in water or mud and typically reaches a height of about 0.7 meters with a spread of 0.25 meters. The leaves are lance-shaped, measuring 12 to 20 centimeters long and 4 wide on long petioles. Submerged leaves are smaller and less prominently veined. The inflorescence is mostly erect and can reach up to half a meter tall. It produces small pinkish-purple three-petalled flowers that open in the morning from June to August. The fruit is a tiny achene clustered into an aggregate fruit, and the seeds are reddish-brown and about 1.5 millimeters long.
Details
Alismatales
Alismataceae
Alisma
The plant is considered a noxious weed in some areas, particularly in rice fields. It has naturalized in various regions including Australia, New Zealand, Oregon, California, and British Columbia.
June to August
0.7 meters
Pinkish-purple
Mud and fresh waters, often found in rice fields
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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