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Lolium rigidum Gaudin

Synonyms

Arthrochortus loliaceus, Crypturus loliaceus, Festuca aleppica, Lolium arenarium, Lolium crassiculme, Lolium cylindricum, Lolium durum, Lolium flagellare, Lolium humile, Lolium husnotii, Lolium lepturoides, Lolium loliaceum, Lolium lowei, Lolium macilentum, Lolium multiflorum, Lolium parabolicae, Lolium perenne, Lolium phoenice, Lolium scholzii, Lolium strictum, Lolium subulatum, Lolium suffultum, Lolium temulentum, Lolium teres, Monerma stricta, Rottboellia loliacea

Common names

Habaan, rabiya, rigid ryegrass, Shelam, simbil, Zeidan

My notes

Seen only in Irkhaya (Irkaya) Farms.

AI-generated Description

Lolium rigidum, also known as rigid ryegrass or annual ryegrass, is an annual grass native to Europe, Western Asia, and North Africa. In Qatar, it has been reported as a common weed in agricultural fields, roadsides, and other disturbed areas. Studies have shown that L. rigidum is widely distributed in Qatar, particularly in the northern and central regions, where it can outcompete crops and reduce yields. It has also been found to be resistant to certain herbicides, making it a challenging weed to control in Qatari agriculture.

Rigid ryegrass (Lolium rigidum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
Salwa Road, Qatar

Rigid ryegrass (Lolium rigidum) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
Al Wukair Street, Qatar

Raceme-like spike of rigid ryegrass (Lolium rigidum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
Unnamed Road, Qatar

Spikes of rigid ryegrass (Lolium rigidum) alternatively set on a jointed rachis on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
Unnamed Road, Qatar

Spikes subtended by leafy spathes of rigid ryegrass (Lolium rigidum) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 26, 2016
Unnamed Road, Qatar

AI-generated summary of observations

Rigid ryegrass (Lolium rigidum) was observed growing on center-pivot irrigated fields, known as Green Circles, in Irkhaya Farms, Qatar. The plant was seen on multiple occasions between March 2015 and February 2016. Observations noted the raceme-like spike of the plant, with spikes alternatively set on a jointed rachis. Additionally, the spikes were found to be subtended by leafy spathes. The plant's growth and development were documented over time, providing insight into its characteristics and behavior in the Qatari environment. The observations highlight the presence and features of rigid ryegrass in this specific agricultural setting, with detailed notes on its floral structure and arrangement. These findings contribute to a better understanding of the species' morphology and growth habits in Qatar's irrigated farmlands.

Links

• Flora of Qatar.
• Unknown plants or plants without names.
• Duplicate and extra pictures of plants.
• Earlier version of collection of plants.
• Other collections of pictures from Qatar: Lizards of Qatar, Cats of Qatar, Camels of Qatar, and Fish of Qatar.
• Picture archives.
• Home page of A. Sergeev.

Outside links

• Lolium rigidum from www.catalogueoflife.org
• Ekhlas M. M. Abdel Bary, The Flora of Qatar, Volume I: The Dicotyledons. Doha 2012
• Flora of Qatar, Volume II: The Monocotyledons
• Illustrated Checklist of the Flora of Qatar. John Norton et al. 2009
• Qatar eNature. Flora
• Ali Al-Rawi, Flowering plants of Kuwait, 1985
• Plants of Kuwait
• Flora of Saudi Arabia, Al-Qassim Region
• Flora of Eastern Saudi Arabia by Rain and Dust at Flickr
• Plants of South-Western Morocco
• Pictures from Qatar (Flickr/cpmkutty)
• Arabian plants by Gary Brown
• Flora of Israel

How the web page was created

• A list of plants with their common names was written using online sources and books.
• Web pages were written by a program consisting of several scripts.
• Full names, synonyms, and classification of plants were found online from catalogueoflife.org and theplantlist.org using a script.
• Pictures of plants were selected from a database using a script.
• This web page was written using a script.

Acknowledgements

QNHG (Qatar Natural History Group) and associated people, for a possibility to participate in their field excursions and to learn about local nature.