Golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 19, 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
Partridge pea (Cassia fasciculata) flowers with dark stamens in Lick Creek Park. College Station, Texas, July 13, 2008
Blooming golden shower tree (Cassia fistula) in Aspire Park at morning. Doha, Qatar, May 2, 2015
Close up of Partridge pea (Cassia fasciculata) in Lake Bryan Park. Bryan, Texas, July 24, 2009
Partridge pea (Cassia fasciculata) in Lake Bryan Park. Bryan, Texas, July 24, 2009
Southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 17, 2008
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 10, 2014
Southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2012
Senna italica (Cassia) plant in desert of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
Dehisced fruits of partridge pea (Cassia fasciculata)(?) in Lick Creek Park. College Station, Texas, January 17, 2013
Asymmetric flower of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 24, 2013
Senna (Buttercup Bush, Senna corymbosa, Cassia falcata) flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 12, 2008
Blooming golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 2, 2015
Partridge pea (Cassia fasciculata) with a bee in Lick Creek Park. College Station, Texas, July 1, 2014
Dehisced seed pods of partridge pea (Cassia fasciculata)(?) in Lick Creek Park. College Station, Texas, January 17, 2013
Partridge pea (Cassia fasciculata) with flowers in Lick Creek Park. College Station, Texas, July 1, 2014
Partridge pea (Cassia fasciculata) in Lake Bryan Park. Bryan, Texas, July 31, 2014
Blooming cassia on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 15, 2013
Yellow candlesticks of candle bush (candletree, Cassia alata, Senna alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 5, 2008
Southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 20, 2009
Green seed pod of Senna italica (Cassia) on roadside near Trainah. Southern Qatar, November 7, 2014
Golden shower tree (Cassia fistula) in Aspire Park at early morning. Doha, Qatar, May 2, 2015
Golden shower tree (Cassia fistula) in bloom in Aspire Park. Doha, Qatar, May 2, 2015
Yellow flowers of partridge pea (Cassia fasciculata) in Lick Creek Park, on Post Oak Trail. College Station, Texas, May 31, 2008
Close up of a flower of Southern cassia in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 30, 2009
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
Southern wild senna (Senna marilandica, Cassia) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, November 12, 2010
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, May 22, 2012
Sprout of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 28, 2008
Golden shower tree (Cassia fistula) with yellow flowers in Aspire Park. Doha, Qatar, May 2, 2015
Yellow flower of candle bush (candletree, Cassia alata, Senna alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 12, 2008
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
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 1, 2014
Flower of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 1, 2014
Golden shower tree (Cassia fistula) in Onaiza area. Doha, Qatar, May 28, 2015
Golden shower tree (Cassia fistula) with flowers in Aspire Park. Doha, Qatar, May 19, 2016
Wasp on a yellow flower of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 10, 2008
Young leaves of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 16, 2010
Leaf pattern of candle bush (Cassia alata) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, July 16, 2011
Candlestick-shaped flower of candle bush (candletree, Cassia alata, Senna alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 5, 2008
Leaf pattern of candle bush (Cassia alata) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, July 8, 2011
Pendulous racemes of yellow flowers of golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 2, 2015
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, May 20, 2014
Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, July 15, 2014
Blooming fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) on Al Rayhan Street in Al Luqta area. Doha, Qatar, February 24, 2016
Leaf-footed bug (Leptoglossus zonatus) on a flower of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 7, 2008
Fire ants eating yellow flower of candle bush (candletree, Cassia alata, Senna alata) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, July 27, 2008
Ladybird on a flower of candle bush (candletree, Cassia alata, Senna alata) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, September 27, 2008
Ants feeding on Senna italica (Cassia) plant in desert of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
Flower of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, May 22, 2012
Golden shower tree (Cassia fistula) with flowers in Aspire Park at morning. Doha, Qatar, May 2, 2015
Back lit flower of partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, May 22, 2012
Partridge pea (Cassia fasciculata) in Lake Bryan Park. Bryan, Texas, August 21, 2009
Leaves of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 9, 2010
Flowers of golden shower tree (Cassia fistula) in Aspire Park at morning. Doha, Qatar, May 2, 2015
Yellow flowers of golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 2, 2015
Flowers of pink shower tree (Cassia javanica) in Aspire Park. Doha, Qatar, June 25, 2015
Top of a yellow flower of candle bush (candletree, Cassia alata, Senna alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 11, 2008
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
Backlit leaves of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 24, 2013
Pink shower tree (Cassia javanica) in Aspire Park. Doha, Qatar, June 25, 2015
Flower of partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, May 22, 2012
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
Back lit flower of Partridge pea (Cassia fasciculata) under power lines in Lake Bryan Park. Bryan, Texas, July 26, 2013
Back lit leaf of candle bush (Cassia alata) in Antique Rose Emporium. Independence, Texas, August 1, 2013
Partridge pea (Cassia fasciculata) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, August 11, 2013
Partridge pea (Cassia fasciculata) Lake Bryan Park. Bryan, Texas, September 30, 2013
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
Blooming Golden Senna (Glaucous Cassia, Senna surattensis) on Corniche. Doha, Qatar, May 3, 2014
Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, July 26, 2014
Flower of Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, July 26, 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
Seedling of Senna italica (Cassia) near Al Khor Hospital. Qatar, December 13, 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
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
Flowers of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) taken from Al Luqta area. Doha, Qatar, March 13, 2015
Golden Senna (Glaucous Cassia, Senna surattensis) on Al Jood Street in Onaiza area. Doha, Qatar, April 20, 2015
Leaves of Golden Senna (Glaucous Cassia, Senna surattensis) on Al Jood Street in Onaiza area. Doha, Qatar, April 20, 2015
Pendulous yellow flowers of golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 2, 2015
Pendulous inflorescense of golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 2, 2015
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
Golden shower tree (Cassia fistula) in Aspire Park at morning. Doha, Qatar, October 22, 2015
Golden Senna (Glaucous Cassia, Senna surattensis) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, December 1, 2015
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
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
Golden Senna (Glaucous Cassia, Senna surattensis) on Al Shatt 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
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
Golden Senna (Glaucous Cassia, Senna surattensis) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, March 14, 2016
Pink shower tree (Cassia javanica) in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, May 3, 2016
Blooming golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 19, 2016
Golden shower tree (Cassia fistula) in Aspire Park. Doha, Qatar, May 19, 2016
Leaves of partridge pea (Cassia fasciculata) in Lake Bryan Park. Bryan, Texas, May 16, 2018
Leaves of partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, May 17, 2018
Leaves of partridge pea (Cassia fasciculata) in dew in Lick Creek Park. College Station, Texas, May 17, 2018
Shoot of partridge pea (Cassia fasciculata) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 21, 2019
Leaves of partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
Shoot of partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
Asymmetric flower of partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 21, 2019
Partridge pea (Cassia fasciculata) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, July 21, 2019
Blooming partridge pea (Cassia fasciculata) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, July 21, 2019
Seedling of partridge pea (Cassia fasciculata) on a site of a recent burn in Bastrop State Park. Bastrop, Texas, February 23, 2020
Partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
Golden shower tree (Cassia fistula) in bloom in Aspire Park. Doha, Qatar, May 17, 2016
Flowers of golden shower tree (Cassia fistula) on the ground in Aspire Park. Doha, Qatar, May 17, 2016
Leaves of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, June 9, 2019
Leaves of Partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Leaves of Partridge pea (Cassia fasciculata) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
Plant of Partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, August 25, 2019
Leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
Back lit leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
Large colony of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
Back lit leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
Asymmetric flower of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 28, 2021
Yellow flower of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 28, 2021
Blooming partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 28, 2021
Close-up of a flower of partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 28, 2021
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, August 1, 2021
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
Blooming southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
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
Ants on flowers of southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, August 9, 2021
Partridge pea (Cassia fasciculata) on sewage line right-of-way in Lick Creek Park. College Station, Texas, August 26, 2021
Masses of partridge pea (Cassia fasciculata) in formerly flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
Seedling of partridge pea (Cassia fasciculata) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
Partridge pea (Cassia fasciculata) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, August 30, 2024
Partridge pea (Cassia fasciculata) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 5, 2024
