Code
COLPR
Growth form
Broadleaf
Biological cycle
Annual
Habitat
Marshland
Coldenia procumbens L.
synonym | Coldenia angolensis Welw. |
synonym | Coldenia procumbens var. aristata Merr. |
synonym | Coldenia succulenta Peter |
synonym | Lobophyllum tetrandrum F. Muell. |
No Data |
Global description
Coldenia procumbens is a terrestrial, annual, creeping herb up to 40 cm long. White or brown taproot. Prostrate stem flattened, solid, pubescent. Leaves simple, alternate, elliptic to ovate, embossed, pubescent on both sides, apex obtuse or rounded, asymmetric base, pinnately venation. White to red flower in tube.
General habit
A spreading, creeping annual herb that develops into a spot, entirely covered with a silky white pubescence.
Underground system
The root is a taproot.
Stem
Cylindrical stem, subwoody at the base, are laying down to the ground. They radiate around the root pivot. They are covered with abundant white hair, particularly at the end of the twigs.
Leaf
The leaves are simple, alternate. They have a petiole 10 to 25 mm long. The blade is obovate to oblong, rounded apex and very dissymmetrical base. It is strongly embossed, with very deep veins. It is 1 to 5 cm long and 1 to 2 cm wide. The margin is largely dentate forming small rounded lobes terminated by a point. Both sides are covered with long white applied hairs that give the leaf a silky silvery appearance. On the upper side, the hairs depart from the ribs.
Inflorescence
The inflorescence is a very contracted scorpioid cyme.
Flower
The flowers are white or red, small and solitary, axillary, at the end of the stems, shortly pedicelled. Corolla tube 5 mm long and 2 to 3 mm wide ending in 4 rounded lobes.
Fruit
The fruit is a capsule of 4 mm in diameter, with 4 apiculate lateral lobes. Glandular-pubescent tegument.
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
Coldenia procumbens grows in places temporarily flooded, like the rice fields, where it is a common weed; it also supports a marked drought.
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
Origin
Coldenia procumbens is native to Africa
Worldwide distribution
Coldenia procumbens is widespread in the tropical and subtropical regions of Africa, Asia and Australia.
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
Local harmfulness
Benin: rare and scanty in the rice field.
Burkina Faso: rare and scanty in the rice field.
Nigeria: rare and scanty in the rice field.
Senegal: rare and scanty in the rice field.
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
Medicinal: The leaves are used as a poultice to mature abscesses and against rheumatic swelling. The essential oil is mentioned to be applied on knees or swollen joints. Also used for stomach ache.
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
Global control
Coldenia procumbens is easily removed by hand, by hoeing or by cultivation. Atrazine, Simazine, at 1 kg / ha or CMU (chloefenidim - monuron), before emergence, from 0.5 to 1 kg / ha.
For general information on weeding irrigated and lowland rice in Africa please consult
For advice on weeding annual broadleaf weeds of irrigated and lowland rice in Africa please consult
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
- Grard, P., Homsombath, K., Kessler, P., Khuon, E., Le Bourgeois, T., Prospéri, J., Risdale, C. 2006. Oswald V.1.0: A multimedia identification system of the major weeds of rice paddy fields of Cambodia and Lao P.D.R. In Cirad [ed.]. Cirad, Montpellier, France. Cdrom. ISBN 978-2-87614-653-2.
- Hutchinson, J., Dalziel, J.M., Keay, R.W.J., Hepper, F.N. 1963. Flora of west tropical africa. The Whitefriars Press, London & Tonbridge, Great Britain. Lavit Kham. 2004. Medicinal plants of Cambodia.
- Tavatchai Radanachaless, J.F.Maxwell. 1994. Weeds of soybean fields in Thailand. Multiple Cropping, Center Publications. Thailand.
- Soerjani M., Kostermans A. J. G. H., Tjitrosoepomo G. 1987. Weeds of rice in Indonesia. Balai Pustaka. Jakarta.
- Grard, P., et al. (2012). AFROweeds V.1.0: African weeds of rice Montpellier, France & Cotonou, Bénin, Cirad-AfricaRice eds.
- Berhaut, J. 1974. Flore illustrée du Sénégal. Dicotylédones, tome 2, Balanophoracées à Composées. Gouvernement du Sénégal, Ministère du Développement Rural et de l'Hydraulique, Direction des Eaux et Forêts, Dakar, Sénégal.
- Grard, P., Homsombath, K., Kessler, P., Khuon, E., Le Bourgeois, T., Prospéri, J., Risdale, C. 2006. Oswald V.1.0: A multimedia identification system of the major weeds of rice paddy fields of Cambodia and Lao P.D.R. In Cirad [ed.]. Cirad, Montpellier, France. Cdrom. ISBN 978-2-87614-653-2.
- Hutchinson, J., Dalziel, J.M., Keay, R.W.J., Hepper, F.N. 1963. Flora of west tropical africa. The Whitefriars Press, London & Tonbridge, Great Britain. Lavit Kham. 2004. Medicinal plants of Cambodia.
- Tavatchai Radanachaless, J.F.Maxwell. 1994. Weeds of soybean fields in Thailand. Multiple Cropping, Center Publications. Thailand.
- Soerjani M., Kostermans A. J. G. H., Tjitrosoepomo G. 1987. Weeds of rice in Indonesia. Balai Pustaka. Jakarta.
- Grard, P., et al. (2012). AFROweeds V.1.0: African weeds of rice Montpellier, France & Cotonou, Bénin, Cirad-AfricaRice eds.
- Berhaut, J. 1974. Flore illustrée du Sénégal. Dicotylédones, tome 2, Balanophoracées à Composées. Gouvernement du Sénégal, Ministère du Développement Rural et de l'Hydraulique, Direction des Eaux et Forêts, Dakar, Sénégal.
Herbarium pictures ReCOLNAT: https://explore.recolnat.org/search/botanique/simplequery=Coldenia%2520procumbens
Attributions | |
Contributors | |
Status | UNDER_CREATION |
Licenses | CC_BY |
References |
Root | Root |
Kingdom | Plantae |
Phylum | Tracheophyta |
Class | Magnoliopsida |
Order | Boraginales |
Family | Boraginaceae |
Genus | Coldenia |
Species | Coldenia procumbens L. |