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Canna edulis - Ker-Gawl.

Common Name Achira, Indian shot
Family Cannaceae
USDA hardiness 7-10
Known Hazards None known
Habitats By the coast and in temperate valleys of the Andes[97]. Usually found at the edges of moist thickets or in ditches[196].
Range S. America. W. Indies.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Frost Hardy Moist Soil Full sun
Canna edulis Achira, Indian shot


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Canna edulis Achira, Indian shot

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Summary


Physical Characteristics

 icon of manicon of flower
Canna edulis is a PERENNIAL growing to 3 m (9ft) by 1 m (3ft 3in).
It is hardy to zone (UK) 8 and is frost tender. It is in flower from Aug to October, and the seeds ripen in October. The species is hermaphrodite (has both male and female organs) Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very acid and very alkaline soils.
It cannot grow in the shade. It prefers moist soil.

Synonyms

C. achiras. C. esculenta.

Habitats

Woodland Garden Sunny Edge; Cultivated Beds; South Wall. By. West Wall. By.

Edible Uses

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

Root - raw or cooked[2, 22, 196]. It is the source of 'canna starch' which is used as an arrowroot[1, 46, 171, 183]. The arrowroot is obtained by rasping the root to a pulp, then washing and straining to get rid of the fibres[2]. This starch is very digestible[196]. The very young tubers can also be eaten cooked[61, 105, 142, 177], they are sweet but fibrousy[97, K]. The root can be very large, sometimes as long as a person's forearm[196]. In Peru the roots are baked for up to 12 hours by which time they become a white, translucent, fibrous and somewhat mucilaginous mass with a sweetish taste[183, 196]. The starch is in very large grains, about three times the size of potato starch grains, and can be seen with the naked eye[183, 196]. This starch is easily separated from the fibre of the root[196]. The roots contain about 25% starch[61]. The dry matter contains about 75 - 80% starch, 6 - 14% sugar, 1 - 3% protein, it is high in potassium, low in calcium and phosphorus[196]. Young shoots - cooked and eaten as a green vegetable[183, 196]. Quite nutritious, containing at least 10% protein[196]. The immature seeds are cooked in fat tortillas[183].

Composition
Figures in grams (g) or miligrams (mg) per 100g of food.
Leaves (Fresh weight)
  • 0 Calories per 100g
  • Water : 0%
  • Protein: 10g; Fat: 0g; Carbohydrate: 0g; Fibre: 0g; Ash: 0g;
  • Minerals - Calcium: 0mg; Phosphorus: 0mg; Iron: 0mg; Magnesium: 0mg; Sodium: 0mg; Potassium: 0mg; Zinc: 0mg;
  • Vitamins - A: 0mg; Thiamine (B1): 0mg; Riboflavin (B2): 0mg; Niacin: 0mg; B6: 0mg; C: 0mg;
  • Reference: [ ]
  • Notes:

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.



None known

Other Uses

Size;  Starch.

The starch from the roots is sometimes used as a laundry starch or for sizing[196].

Cultivation details

Requires a deep rich well-drained soil in a sunny position[1, 200]. Tolerates heavy soils[196]. The plant has large leaves and dislikes windy conditions since this can tear the leaves to shreds[200]. Requires ample water in the growing season[196]. Tolerates a pH range from 4.5 to 8[196]. This species is probably hardy in the mildest areas of Britain but even then it should be given a good mulch if left in the ground overwinter[1]. The top growth tolerates light frosts and plants can be grown in areas with winter snow[196]. The tubers can be harvested in late autumn after the top growth has been killed back by frost and stored over winter. They should be kept in a frost-free place covered in moist soil or leaves[1]. According to some botanists this species is no more than a synonym for C. indica[200]. Cultivated for its edible root in the Tropics, there are some named varieties[46, 196]. The root can be harvested within 6 months from planting out, though larger yields are obtained after 8 - 10 months[196]. In the British climate this probably means 2 years growth is required for good yields[K]. Yields in the Andes range from 13 - 85 tonnes per hectare, with 22 - 50 tonnes being average[196]. Plants are rarely troubled by pests or diseases[196]. Most cultivated forms do not produce fertile seed[196]. There are also sterile triploid forms, these contain a significantly higher proportion of starch though their cropping potential is not known[196]. Slugs love the young growth in spring and can cause serious damage to plants[233].

Propagation

Seed - pre-soak for 24 hours in warm water and sow February/March in a warm greenhouse at 20°c[1, 138]. Plant the seeds 2 - 5cm deep in individual pots[1]. Scarifying the seed can speed germination, especially if the seed has not swollen after being soaked[124, K]. The seed usually germinates in 3 - 9 weeks[138]. Grow the plants on in a greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division of the root clump as the plant comes into growth in the spring. Each portion must have at least one growing point. Pot up the divisions and grow them on in the greenhouse until they are well established and then plant them out in the summer. Root cuttings.

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
Althaea cannabinaPalm-leaf marshmallow00
Apocynum cannabinumIndian Hemp22
Canna glaucaLouisiana Canna, Maraca amarilla20
Canna indicaIndian Shot42
Cannabis sativaHemp, Marijuana44
Celtis australisNettle Tree, European hackberry32
Datisca cannabinaAcalbir, Akalbir01
Eupatorium cannabinumHemp Agrimony03
Hibiscus cannabinusKenaf, Brown Indianhemp22
Humulus japonicusJapanese Hop21
Humulus lupulusHop, Common hop, European Hop,45
Senecio cannabifoliusAleutian ragwort12
Trema orientalisCharcoal Tree12
Urtica cannabina 30
Vitex cannabifolia 02

 

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Expert comment

Author

Ker-Gawl.

Botanical References

1200

Links / References

For a list of references used on this page please go here

Readers comment

Gina   Fri Feb 16 2007

Bueno estoy intesada en saber mas sobre el cultivo de Achira, porque estoy haciendo mi tesis en este cultivo. La pagina esta interesante para los investigadores, gracias.

Florence Anderson   Mon Apr 28 2008

Very helpful, especially about eating the young leaves & seeds. Are these totally non-toxic? TUBER: I would be grateful for any tasty SAVOURY & SWEET recipes using the grated tubers. I have tried this, but without a recipe - mine wasn't too appetising.

Anna   Tue Mar 17 2009

This plant grows extremely easy in subtropical climates. However we rarely eat it as we haven't got any recipes. I am very interested in any, but especially the traditional Andean recipes. Ese planta crece facilmente en el clima subtropico. Pero casi nunca comemos achira proque no sabemos como cocinarlo. Estoy muy interesada tener recetas, especialmente los resetas tradicionales de los Andes.

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Subject : Canna edulis  
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