Vernacular
  • Bloubossie,
  • Common pigweed,
  • Fat hen,
  • Lamb's quaters,
  • Misbredie,
  • Seepbossie,
  • Serue,
  • Umbikicane,
  • Varkbossie,
  • White goosefoot,
  • Wild spinach,
  • Withondebossie
Details
Eppo_code

CHEAL

Family

Amaranthaceae

Species

Chenopodium album L.

Meaning_of_the_name

Chenopodium - Cheno-goose, podium-little foot, refering to the leaves.
album - whitish.

Global_description

C. album is a pale green herb, erect, branched, strong-smelling. It has a deep taproot system.
The stem is grooved. It is often tinged with red. Leaves alternate, starchy white underneath and twice as long as wide. They are usually oval to obovate shaped (spearhead), more or less toothed or lobed edges. The flowers are grouped into dense balls. They are small, green and directly inserted on the stem. The floral envelopes completely hide the fruit.

Similar_species
Cotyledons

Cotyledons are long 10 to 15 mm wide and 2 to 3 mm, fleshy, elliptic to elongated, shortly petiolate. Underside often reddish violet, upper surface green or silver mealy.

First_leaves

First leaves are more or less opposite decussate, then the following leaves alternate.The blade is long, oval on board and few teeth. The hair is floury, white,and abundant, often purple underneath. There are white waxy granules of new leaves.

Habit

This is an annual weed, branched, erect, and pale green with strong smell.

Underground_system

It has a deep tap root system.

Stem

The stem is erect, cylindrical to angular, full, usually branched, green stripes, often reddish. The stem is grooved.

Leaves

Leaves are simple and alternate, oval to obovate or lanceolate shaped, rarely entire, attached to a long- stalked. It is twice as long as wide, 1.5 to 8 cm long and 3 cm wide. White flour on the lower surface, sometimes green on both surfaces.

Inflorescence

Clusters attached to the leaf axils and at terminus of stems.

Flowers

Flowers are aggregated into dense clusters (glomerules) in leaf axils and at terminus of stems and branches.

Fruits

The fruits are not visible; they are entirely enclosed in the floral envelope.

Seeds

Seed are horizontally flattened, lenticular, 0.7 to 1.5 mm in diameter. It is shiny, smooth, black, wrapped, still often included in the utricle.

Biology

This is an annual weed.

Ecology

The plant is found from sea level to 3 600 m. It prefers light textured and well-drained soils but it is able to adapt to all inhabited areas of the world except in extreme desert climates. Frost tolerant weed.

Origine

Native to Europe.

World_distribution
South_african_distribution
Knp_distribution
Use
Global_weediness
South_african_weediness
Knp_weediness

It is a common and important weed in crops.

Global_control
Control_knp

It can be controlled by cultivation at seedling stage.Pre- and post- emergence broadleaf weed herbicide is applicable as a control method for C. album.

References

-(AdventOI) Le Bourgeois, T., Carrara, A., Dodet, M., Dogley, W., Gaungoo, A., Grard, P., Ibrahim, Y., Jeuffrault, E., Lebreton, G., Poilecot, P., Prosperi, J., Randriamampianina, J.A., Andrianaivo A.P., and Théveny, F. (2008). Advent-OI: Principales adventices des îles du sud-ouest de l'Océan Indien. Cirad. Montpellier, France, Cirad.

Web_links

http://idao.cirad.fr/SpecieSheet?sheet=adventoi/especes/c/cheal/cheal_fr.html

Vernacular Country Language Source
Withondebossie South Africa Afrikaans Problem plants and alien weeds of South Africa
Wild spinach English Problem plants and alien weeds of South Africa
Lamb's quaters English Problem plants and alien weeds of South Africa
Common pigweed English Problem plants and alien weeds of South Africa
Bloubossie South Africa Afrikaans Problem plants and alien weeds of South Africa
Fat hen English Problem plants and alien weeds of South Africa
Varkbossie South Africa Afrikaans Problem plants and alien weeds of South Africa
Seepbossie South Africa Afrikaans Problem plants and alien weeds of South Africa
Serue South Africa Sotho Problem plants and alien weeds of South Africa
White goosefoot English Problem plants and alien weeds of South Africa
Umbikicane South Africa Zulu Problem plants and alien weeds of South Africa
Misbredie South Africa Afrikaans Problem plants and alien weeds of South Africa
Map