This plant has purple-pink flowers(with 5-7 petals), in whorls of six set in the angle between the stem and small leaf-like bracts. The whorls are arranged in dense spikes. Flower can be variable between plants. The leaves are smooth, lance-shaped, arranged in opposite pairs and often downy. The stem is square and the plant grows to between 60 and 120cm tall. It grows prolifically in wetlands and other moist areas. Each mature plant produces 30 or more spikes and can produce over 2.5 million seeds per year. The plant can be found in wetland on shorelines, by ponds and rivers, irrigation ditches and moist agricultural fields. The plants juice is rich in Tannins and has been used as an alterantive to Oak bark for tanning leather. It flowers mainly from June to August. Picture taken on 7th July 2006 at Felmersham Bedfordshire.
Added:
5th Sep 2006 by Diane Earl
Subjects:
Biology, Science
Key Stages:
Key Stage 1, Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+
Keywords:
plant flower wildlife
Related Links:
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