 Golden Senna (Glaucous Cassia, Senna surattensis) on Al Jood Street in Onaiza area. Doha, Qatar, April 20, 2015
 Golden Senna (Glaucous Cassia, Senna surattensis) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, March 14, 2016
 Leaves of Golden Senna (Glaucous Cassia, Senna surattensis) on Al Jood Street in Onaiza area. Doha, Qatar, April 20, 2015
 Golden Senna (Glaucous Cassia, Senna surattensis) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, December 1, 2015
 Blooming Golden Senna (Glaucous Cassia, Senna surattensis) on Corniche. Doha, Qatar, May 3, 2014
 Senna with needle-shaped leaves (Fine-leaf desert cassia, Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, January 14, 2016
 Senna italica (Cassia aschrak, Cassia obovata, Cassia italica, local names ishrig, senna, senna mekki) on roadside of a road from Dukhan to Al Jumayliyah. Western Qatar, March 1, 2014
 Flowers of Senna italica (Cassia aschrak, Cassia obovata, Cassia italica, local names ishrig, senna, senna mekki) on roadside of a road from Dukhan to Al Jumayliyah. Western Qatar, March 1, 2014
 Senna with needle-shaped leaves (Fine-leaf desert cassia, Cassia nemophila, Senna artemisioides subsp. filifolia) in Al Luqta area. Doha, Qatar, March 13, 2015
 Fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, January 14, 2016
 Flowers of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, January 14, 2016
 Coffeeweed (Senna occidentalis) on Al Intisar Street in Onaiza area. Doha, Qatar, January 18, 2016
 Fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Blooming fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) with flowers on Al Rayhan Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Bush of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Flowers of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, February 24, 2016
 Coffeeweed (Senna occidentalis) with flowers and fruits on Al Intisar Street in Onaiza area. Doha, Qatar, January 18, 2016
 Opened seed pod of coffeeweed (Senna occidentalis) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
 Brown seeds of coffeeweed (Senna occidentalis) taken from Al Intisar Street in Onaiza area. Doha, Qatar, February 3, 2016
 Flowers of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, July 15, 2014
 Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, July 26, 2014
 Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, August 4, 2021
 Southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Flower of Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, July 26, 2014
 Coffeeweed (Senna occidentalis) taken from Al Jood Street in Onaiza area. Doha, Qatar, April 7, 2015
 Ants on southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Inflorescence of southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Blooming southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Flower of coffeeweed (Senna occidentalis) on Al Jood Street in Onaiza area. Doha, Qatar, December 23, 2015
 Ants on flowers of southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Southern wild senna (Senna marilandica, Cassia) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Branch with needle-shaped leaves of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Senna (Buttercup Bush, Senna corymbosa, Cassia falcata) flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 12, 2008
 Seedling of jimsonweed (Datura innoxia) on Al Shatt Street in Onaiza area. Doha, Qatar, January 18, 2016
 Blooming cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 18, 2016
 Inflorescence of cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 21, 2016
 Plant of cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 21, 2016
 Flower of cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 18, 2016
 Blooming cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 21, 2016
 Flowers of cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 21, 2016
 Bud of moonflower (Datura innoxia) on waste ground on Al Shatt Street in Onaiza area. Doha, Qatar, January 26, 2016
 Cowpen daisy (Verbesina encelioides) with flowers on Al Shatt Street in Onaiza area. Doha, Qatar, January 21, 2016
 Moonflower (Datura innoxia) on waste ground on Al Shatt Street in Onaiza area. Doha, Qatar, January 26, 2016
 Close up of flowers of cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 21, 2016
 Cowpen daisy (Verbesina encelioides) with flower buds on Al Shatt Street in Onaiza area. Doha, Qatar, January 13, 2016
 Yellow flowers of cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, January 21, 2016
 Senna italica (Cassia) plant in desert of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
 Ants feeding on Senna italica (Cassia) plant in desert of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
 Cowpen daisy (Verbesina encelioides) on Al Shatt Street in Onaiza area. Doha, Qatar, March 17, 2016
 Dry seeds of cowpen daisy (Verbesina encelioides) taken from Al Shatt Street in Onaiza area. Doha, Qatar, March 31, 2016
 Common purslane (wild portulaca, Portulaca oleracea, local names barbeer, rijla, bagla) with seeds on waste ground on Al Shatt Street in Onaiza area. Doha, Qatar, January 26, 2016
 Dry seed head of cowpen daisy (Verbesina encelioides) taken from Al Shatt Street in Onaiza area. Doha, Qatar, March 31, 2016
 Cut seed head of cowpen daisy (Verbesina encelioides) taken from Al Shatt Street in Onaiza area. Doha, Qatar, March 31, 2016
 Candle bush (Senna alata)(?) in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, April 26, 2016
 Golden shower tree (Cassia fistula) in Onaiza area. Doha, Qatar, May 28, 2015
 Seedling of Senna italica (Cassia) near Al Khor Hospital. Qatar, December 13, 2014
 Flowers of Senna italica (Cassia) on roadside near Trainah. Southern Qatar, November 7, 2014
 Senna italica (Cassia) at entrance of Ras Abrouq Peninsula near Zekreet. Qatar, November 14, 2014
 Green seed pod of Senna italica (Cassia) on roadside near Trainah. Southern Qatar, November 7, 2014
 Southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2012
 Southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 17, 2008
 Southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 20, 2009
 Yellow flowers of southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 6, 2013
 Close up of a yellow flower of southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 6, 2013
 Dry seed pods of Senna italica (Cassia) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Split pod of Senna italica (Cassia) with seeds taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Blooming frywood tree (Albizia lebbeck) on Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Flower of frywood tree (Albizia lebbeck) on Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Leaf of frywood tree (Albizia lebbeck) on Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Close up of a leaf of frywood tree (Albizia lebbeck) on Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Chamberbitter weeds (stonebreaker, Phyllanthus niruri) on sidewalk of Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Detail of a flower of frywood tree (Albizia lebbeck) on Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Blooming frywood tree (Albizia lebbeck) on Al Shatt Street near Saha 15 in Onaiza area. Doha, Qatar, June 17, 2015
 Flower buds of frywood tree (Albizia lebbeck) on Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Wilted flower of frywood tree (Albizia lebbeck) on Al Shatt Street in Onaiza area. Doha, Qatar, April 30, 2015
 Silky flowers of frywood tree (Albizia lebbeck) on Al Shatt Street near Saha 15 in Onaiza area. Doha, Qatar, June 17, 2015
 Field, or golden dodder (Cuscuta campestris) taken from Onaiza area. Doha, Qatar, May 22, 2016
 Peppermint (Mentha piperita(?)) on Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 18, 2016
 Hard vetch (Vicia monantha) taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Potato plant (Solanum tuberosum) near Al Istiqlal Street in Onaiza area. Doha, Qatar, January 13, 2016
 Potato plant (Solanum tuberosum) on Al Intisar Street in Onaiza area. Doha, Qatar, January 18, 2016
 Sacred fig (Bo-Tree, Ficus religiosa) on Al Intisar Street in Onaiza area. Doha, Qatar, January 18, 2016
 Fenugreek (Trigonella foenum-graecum) near Al Jamiaa Street in Onaiza area. Doha, Qatar, January 12, 2016
 Fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) on Al Istiqlal Street in Onaiza area. Doha, Qatar, January 18, 2016
 Hard vetch (Vicia monantha) with flowers taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) near Al Istiqlal Street in Onaiza area. Doha, Qatar, January 13, 2016
 Blooming fenugreek (Trigonella foenum-graecum) taken from Al Jamiaa Street in Onaiza area. Doha, Qatar, January 12, 2016
 Flowers of fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) on Al Istiqlal Street in Onaiza area. Doha, Qatar, January 18, 2016
 Hard vetch (Vicia monantha) on white background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Glory bower (Volkameria inermis, Clerodendrum inerme) on Al Istiqlal Street in Onaiza area. Doha, Qatar, January 18, 2016
 Blooming fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) near Al Istiqlal Street in Onaiza area. Doha, Qatar, January 13, 2016
 Hard vetch (Vicia monantha) on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Flowers of fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) near Al Istiqlal Street in Onaiza area. Doha, Qatar, January 13, 2016
 Hard vetch (Vicia monantha) with flowers on dark background taken from Ibn Nusaih Street in Onaiza area. Doha, Qatar, January 26, 2016
 Fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) on white background taken from Al Istiqlal Street in Onaiza area. Doha, Qatar, January 13, 2016
 Close up of flowers of fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) near Al Istiqlal Street in Onaiza area. Doha, Qatar, January 13, 2016
 Flowers and leaves of fineleaf fumitory (Fumaria parviflora or may be F. vaillantii) near Al Istiqlal Street in Onaiza area. Doha, Qatar, January 13, 2016
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