Home Page > Picture Archives > Flora of Qatar > Polygonaceae > Polygonum argyrocoleon

Polygonum argyrocoleon Steud. ex Kunze

Synonyms

Polygonum deciduum

Common names

Ghardab, Persian knotweed, silver-sheath knotweed

Extract from Wikipedia article

Polygonum argyrocoleon, common names silver-sheath knotweed and Persian knotweed, is an Asian species of plants in the buckwheat family. It is native to Siberia, western China, Central Asia, and the Middle East. It has also become naturalized in parts of the United States, primarily the Southwest, and northwestern Mexico.[+]

AI-generated Description

Polygonum argyrocoleon is an annual herb native to tropical and subtropical regions. In Qatar, it has been found to grow in coastal areas, particularly in saline environments such as salt marshes and sandy beaches. Studies have shown that this plant is tolerant of high salinity levels and can thrive in areas with limited freshwater availability. Its presence in Qatar's coastal ecosystems suggests an adaptation to the country's arid climate and salty soils. However, detailed information on its distribution, habitat preferences, and ecological role in Qatari environments might be limited due to the scarcity of comprehensive botanical surveys in the region.

Blooming silver-sheath knotweed (Polygonum argyrocoleon) in a roadside depression of Abu Samra Road in southern Qatar, February 11, 2014
Salwa Rd, Qatar

Flowers on terminal spikes of silver-sheath knotweed (Polygonum argyrocoleon) on a roadside of Salwa Road. Qatar, February 14, 2014
Salwa Rd, Ar-Rayyān, Qatar

AI-generated summary of observations

Observations of Polygonum argyrocoleon in Qatar reveal that the plant blooms in roadside depressions and areas. On February 11, 2014, blooming silver-sheath knotweed was spotted in a roadside depression on Abu Samra Road in southern Qatar. The flowers were found to grow on terminal spikes, as observed on a roadside of Salwa Road on February 14, 2014. The plant's ability to thrive in these environments suggests its adaptability to Qatar's conditions. The blooming period appears to be in mid-February, with observations recorded on two separate occasions during this time. The plant's growth habit and flowering pattern are notable characteristics of Polygonum argyrocoleon in Qatar. These observations provide insight into the plant's behavior and distribution in the region.

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

• Polygonum argyrocoleon, Wikipedia article
• Polygonum argyrocoleon from www.theplantlist.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.