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Calendula arvensis (Vaill.) L.

Synonyms

Calendula aegyptiaca, Calendula alata, Calendula bicolor, Calendula brachyglossa, Calendula byzantina, Calendula ceratosperma, Calendula cristagalli, Calendula echinata, Calendula gracilis, Calendula karakalensis, Calendula macroptera, Calendula malacitana, Calendula malvaecarpa, Calendula micrantha, Calendula parviflora, Calendula persica, Calendula platycarpa, Calendula repanda, Calendula sancta, Calendula sicula, Calendula sinuata, Calendula stellata, Calendula subinermis, Calendula sublanata, Calendula sylvestris, Calendula undulata, Caltha arvensis, Caltha graveolens

Common names

Field Marigold, hanwa

Extract from Wikipedia article

Calendula arvensis is a species of flowering plant in the daisy family known by the common name field marigold. It is native to central and southern Europe, and it is known across the globe as an introduced species. It is an annual herb not generally exceeding 15 centimeters in height. The leaves are lance-shaped and borne on petioles from the slender, hairy stem. The inflorescence is a single flower head up to 4 centimeters wide with bright yellow to yellow-orange ray florets around a center of yellow disc florets. The fruit is an achene which can take any of three shapes, including ring-shaped, that facilitate different methods of dispersal.

Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) growing in a silty depression on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
Al Ghuwairiya HC St, Al-Ghuwayriyah, Qatar

Flowers and seeds of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
Al Ghuwairiya HC St, Al-Ghuwayriyah, Qatar

Flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
Al Ghuwairiya HC St, Al-Ghuwayriyah, Qatar

Seeds with flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
Al Ghuwairiya HC St, Al-Ghuwayriyah, Qatar

Field Marigold (Calendula arvensis, local name hanwa) near Al Khor Hospital. Qatar, January 9, 2015
Unnamed Road, Qatar

Seeds of Field Marigold (Calendula arvensis) taken from roadside near Al Khor Hospital. Qatar, January 9, 2015

Flower and seeds of Field Marigold (Calendula arvensis) taken from roadside near Al Khor Hospital. Qatar, January 9, 2015

Field Marigold (Calendula arvensis, local name hanwa) on roadside of a road from Dukhan to Al Jumayliyah. Western Qatar, January 30, 2015
Unnamed Road, Qatar

Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
Unnamed Road, Qatar

Blooming Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
Unnamed Road, Qatar

Flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
Unnamed Road, Qatar

Plant of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
Unnamed Road, Qatar

Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
Unnamed Road, Qatar

Flowers of field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
Unnamed Road, Qatar

Plant of field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
Unnamed Road, Qatar

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

• Calendula arvensis, Wikipedia article
• Calendula arvensis 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.