Vernacular
  • Creeping goosefoot,
  • Green goosefoot,
  • Groenhondebossie,
  • Keeled goosefoot
Details
Eppo_code

CHECN

Family

Amaranthaceae

Species

Chenopodium carinatum R.Br.

Meaning_of_the_name

Chenopodium - cheno means goose and podio means little foot. Carinatum - keeled, keel-like ridge, referring to the wing-like hairy keel on each perianth segment.

Global_description

C. carinatum is an annual herb. Leaves are opposite and simple. Laeves are simple, develop from the base. Inflorescence are axillary. Stem is full, grooved and erect or postrate.

Similar_species
Cotyledons

Cotyledons are oval shaped, entire leaf margin and carried by a medium stalk.

First_leaves

First leaves are simple, opposite, pubescent and carried by medium stalk. Lamina is oval to lanceolate shaped.

Habit

C. carinatum is an annual postrate herb. It grows up to 50 cm height. Branches spread wide, branching near the base. Chrushed leave are aromatic.

Underground_system

Taproot system.

Stem

Stem is postrate to erect. It is full and groove shaped. The herb branches from the base into simple to much branched stems.

Leaves

Leaves are simple and alternate. Blade is ovate to elliptic in outline, up to 3 × 2 cm, with 2-6 large lobe-like blunt teeth. Leaf margin is parted. Apex is acute and the base is attenute. Both leave surfaces are pubescent.

Inflorescence

Inflorescence are whorls, axillary. Flowers are minute, in dense rounded sessile axillary clusters.

Flowers

Flowers are clustered, greenish, velvety and glandular.

Fruits

Fruit is an achene, round enclosed in persistent perianth.

Seeds

Seeds are small, shiny and black or dark brown.

Biology

C. carinatum reproduces by seeds. Seeds are spread by wind.

Ecology

Occurs in dry river bed, river bank and disturbed areas. Prefers moist soil condition.

Origine

Native to Austrailia.

World_distribution
South_african_distribution

Distributed throughout South Africa.

Knp_distribution

Distributed throughout KNP.

Use
Global_weediness
South_african_weediness

It is a problematic weed in vegetables field especially in Mpumalanga and Cape Provinces.

Knp_weediness

It is an invasive weed with low ecological impact.

Global_control
Control_knp

Can be controlled by hand pulling. It is susceptible to pre-and post-emergence herbicides.

References

(Problem plants of South Africa) Bromilow, C. (2001), Published by Briza Plublications CC

Web_links

http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=121960

Vernacular Country Language Source
Green goosefoot English Problem plants and alien weeds of South Africa
Creeping goosefoot English Problem plants and alien weeds of South Africa
Keeled goosefoot English Problem plants and alien weeds of South Africa
Groenhondebossie South Africa Afrikaans Problem plants and alien weeds of South Africa
Map