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

Polygonum equisetiforme Sm.

Synonyms

Dioctis equisetifolia, Polygonum aviculare, Polygonum controversum, Polygonum crenatum, Polygonum decumbens, Polygonum ehrenbergii, Polygonum marioticum, Polygonum scoparium, Polygonum suffruticosum, Polygonum tumidum

Common names

Horsetail knotweed, qadab

AI-generated Description

Polygonum equisetiforme, also known as Horsetail Knotweed, is an annual herb native to tropical Africa and Asia. In Qatar, it has been found to grow in moist areas, such as wadis (seasonal riverbeds) and irrigated fields. It is a relatively small plant, reaching heights of up to 30 cm, with lance-shaped leaves and small, greenish flowers. Studies have reported its presence in various regions of Qatar, including the northern and central parts of the country. The plant's adaptability to different environments and its ability to thrive in areas with minimal vegetation make it a common sight in Qatar's arid landscape.

Horsetail knotweed (Polygonum equisetiforme, local name qadab) in a depression near Salwa Road, south-west from Doha. Qatar, April 23, 2014
Salwa Road, Al-Kiranah, Qatar

AI-generated summary of observations

The observation of Polygonum equisetiforme in Qatar revealed its presence in a depression near Salwa Road, south-west of Doha. On April 23, 2014, the plant was found growing in this specific location, suggesting that it can thrive in low-lying areas with potentially more moisture. The local name "qadab" indicates that the plant is recognized and possibly utilized by the local community. The fact that it was spotted in late April implies that Polygonum equisetiforme may be active during the spring season in Qatar's arid environment. This observation provides insight into the plant's ecological preferences and distribution within the region, highlighting its ability to adapt to specific microhabitats. Further study could explore the plant's growth patterns, habitat requirements, and potential uses in Qatar. The sighting of Polygonum equisetiforme in this location contributes to a better understanding of Qatar's flora.

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 equisetiforme 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.