Menyanthes trifoliata
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- Biology
- Taxonomy
- Occurrence
- Specimen
Growing form
Perennial herb.
Size
20–40 cm high.
Stem
The plant has a glabrous rhizome, which is about as thick as a finger. The rhizome creeps in peat or floats in water, and can be up to 1.5 m long.
Leaf
The leaf arrangement is spiral. The leaves are long-petiolate. The lamina is ternate. The leaflets are elliptic.
Flower
The inflorescence is an erect, long-pedunculate, copious-flowered raceme. The flowers are 15 mm wide and bisexual with five-numbered floral parts. The calyx is narrow-tubular, white and pubescent on the inside and reddish on the outside. The apices of the petals are retrorse. The anthers are purple.Flowers in midsummer (VI–VII).
Fruit and seed
The fruit is a many-seeded unilocular capsule. The seed (2–3 mm) is light brown with a thick testa.
The map represents observations of this taxon, but it may not be used as a distribution map.
- Total squares
- raate (Finnish)
- vattenklöver (Swedish)
- AOV - spontaneous, old, resident
EU regulation regarding CITES, Appendix D ? Vascular plants – SUMI Project 2022 ?
- 2019 LC – Least Concern
- 2010 LC – Least Concern
- Mikko Piirainen
- Vascular plants
- Plant life forms
- Shore plants