Facts About. Spiny threecorner-Jack is native to Mediterranean Africa, but has made its way around the world. It has a patchy distribution in the U.S. and is. Emex spinosa (spiny emex, devil’s-thorn) is an annual (family Polygonaceae) found on California’s south coast. This Mediterranean native is not yet common in . Emex Campd. Environment. terrestrial. Original description. Not documented. Taxonomic citation. WoRMS (). Emex spinosa. Accessed at.
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It is reported on roadsides in Australia Weiss and Julien,along spinsoa and railways in Kenya Graham,in field borders and in waste sandy places in Pakistan Siddiqi,along field drains in India Varma et al.
Description Top of page E. Habitat Anthropogenic man-made or disturbed habitats. These findings are consistent e,ex the facts that on a global scale, E. In other areas of human disturbance, it occurs along roadsides Zohary, in spaces between buildings as well as being able to survive on top of old walls, steps and flat roofs and within highly polluted canals and olive groves Brandes, It has the potential to become a serious weed like E.
The root is thick and succulent.
From Wikipedia, the free encyclopedia. In the Negev highlands, Israel, E.
Also covers those considered historical not seen in 20 years. Emex seedlings can then be killed by either a herbicide or a follow-up cultivation Pearce, Flora of Ecuador No.
A delayed flowering and necrosis of stems were shown at the lowest 6. Title Habit Caption A large E. Perapion antiquum, a weevil from E.
A Geographical Atlas of World Weeds. Emex spinosacommonly known as devil’s thorn or lesser jackis an annual spibosa plant of the Polygonaceae. Weiss also used potted E.
Emex spinosa | FNWD
Spiny threecorner-Jack is native to Mediterranean Africa, but has made its way around the world. Weed control in transplant Chinese cabbage. The spiny female flowers are sessile and form in axillary clusters in the axils of the leaves forming first on the crown about a month after the seed has germinated and whilst the plant spinoosa still a rosette Evenari et al.
Docks and Knotweeds of the British Isles. Crop Protection, 22 2: In Morocco, metribuzin and pendimethalin are the authorized herbicides for E. Campdera was collected from Crete, Greece Siddiqi, Rehabilitation of degraded drylands and biosphere reserves.
Australian Journal of Botany, 27 5: Chemical Control Herbicide-resistant weeds are an increasing problem promoted by the heavy reliance on post-emergent herbicides and in wpinosa by the persistent use of the same type of chemical. Graham, ; Agnew, ; Holm et al.
Distribution Maps Top emec page You can pan and zoom the map. A detailed literature search Scott and Beasley, detected only a few journal articles specifically noting E.
Botanical Society of the British Isles. Distribution and host records of Brachycaudus rumexicolens Patch Hemiptera: Pathogens reported from E. Stems are decumbent to erect Zohary,radiating from the crown in all directions and branching dichotomously at periodic nodes.