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Calla palustris - L.

Common Name Water Arum
Family Araceae
USDA hardiness 4-8
Known Hazards The plant contains calcium oxylate crystals[222]. These cause an extremely unpleasant sensation similar to needles being stuck into the mouth and tongue if they are eaten, but they are easily neutralized by thoroughly drying or cooking the plant or by steeping it in water[65].
Habitats Forest swamps, moorland marshes, by ponds and streams[10].
Range Europe. Naturalized in Britain[17].
Edibility Rating    (2 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Wet Soil Water Plants Full sun
Calla palustris Water Arum


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Calla palustris Water Arum
http://www.biolib.de/

 

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Summary


Physical Characteristics

 icon of manicon of flower
Calla palustris is a PERENNIAL growing to 0.3 m (1ft) by 0.3 m (1ft in).
It is hardy to zone (UK) 4. It is in flower from June to July, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid and neutral soils and can grow in very acid soils.
It cannot grow in the shade. It prefers wet soil and can grow in water.

Synonyms

Habitats

 Pond; Bog Garden;

Edible Uses

Edible Parts: Fruit;  Root;  Seed.
Edible Uses:

Rhizome - cooked. It is usually prepared by drying the root, grinding it into a powder and then thoroughly cooking it to ensure that any acrimonious principle is completely destroyed. The resulting powder is rich in starch and can be used as a flour for making bread etc, especially in conjunction with cereal flours[1, 2, 55, 100, 183]. It is said to be very tasty[65]. Fruit (does this include the seed?) - it should be dried and then thoroughly cooked[172]. The dried fruit and rootstalk can be ground into an unpalatable but nutritious powder[172]. The seed is dried, cooked and ground into a powder[207].

Medicinal Uses



Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Antirheumatic;  Poultice.

Antirheumatic. Used in the treatment of colds and flu[172]. A tea made from the dried root has been used in the treatment of flu, shortness of breath, bleeding and as a poultice on swellings and snakebites[222, 257]. The aerial stems have been used in the treatment of sore legs[257].

Other Uses

None known

Cultivation details

Requires a wet lime-free humus rich soil by water or in shallow, still or slowly flowing water in full sun[200]. When grown on the pond margins it creeps in and out of the water[1]. Succeeds in water up to 25cm deep[188].

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Propagation

Seed - best sown as soon as it is ripe in late summer in a cold frame in pots standing in about 3cm of water[200]. Sow stored seed as early as possible in the year in a greenhouse. The germination rate of stored seed is often poor. When large enough to handle, prick the seedlings out into individual pots and grow them on in trays of water in the greenhouse for at least their first winter, planting them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in spring[200]. Very easy, it is possible to divide this plant at almost any time in the growing season. Any part of the stem, if placed in water or a pot of very wet soil, will quickly root away to form a new plant. Stem cuttings in summer, rooted in wet mud[200].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Zantedeschia aethiopicaArum Lily, Calla lily, White Calla Lily10

 

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Expert comment

Author

L.

Botanical References

200

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Subject : Calla palustris  
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