 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
 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, December 3, 2012
 Southern cassia (Senna corymbosa, Cassia falcata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 20, 2009
 Senna (Buttercup Bush, Senna corymbosa, Cassia falcata) flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 12, 2008
 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
 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
 Close up of a flower of Southern cassia in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 30, 2009
 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
 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
 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
 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
 Flower of Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, July 26, 2014
 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
 Southern wild senna (Senna marilandica, Cassia) in Lick Creek Park. College Station, Texas, August 4, 2021
 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
 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
 Senna with needle-shaped leaves (Fine-leaf desert cassia, Cassia nemophila, Senna artemisioides subsp. filifolia) in Al Luqta area. Doha, Qatar, March 13, 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
 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
 Leaves of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 9, 2010
 Sprout of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 28, 2008
 Young leaves of candle bush (Cassia alata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 16, 2010
 Southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Flowers of Senna italica (Cassia) on roadside near Trainah. Southern Qatar, November 7, 2014
 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
 Southern wild senna (Senna marilandica, Cassia) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Ants on flowers of southern wild senna (Senna marilandica, Cassia) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Green seed pod of Senna italica (Cassia) on roadside near Trainah. Southern Qatar, November 7, 2014
 Flowers of fine-leaf desert cassia (Cassia nemophila, Senna artemisioides subsp. filifolia) taken from 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, February 24, 2016
 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) with flowers 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, January 14, 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
 Blooming 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
 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
 Close up of yellow violet flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 12, 2009
 Leaf-footed bug (Coreidae) Leptoglossus zonatus on senna flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 2, 2008
 Yellow flower of Sundrops (Turnera ulmifolia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 6, 2008
 Close up of Corkscrew flower (Vigna caracalla, Phaseolus, Snail vine) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 24, 2010
 Blooming Golden Senna (Glaucous Cassia, Senna surattensis) on Corniche. Doha, Qatar, May 3, 2014
 Bauhinia corymbosa (phanera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 21, 2009
 Bauhinia corymbosa (phanera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, June 28, 2012
 Golden Senna (Glaucous Cassia, Senna surattensis) on Al Shatt Street in Onaiza area. Doha, Qatar, January 18, 2016
 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
 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
 Senna italica (Cassia) at entrance of Ras Abrouq Peninsula near Zekreet. Qatar, November 14, 2014
 Yellow flower of 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
 Yellow flower of pea family in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 14, 2008
 Yellow flower of aster family in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 25, 2010
 Yellow flower of forsythia in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 27, 2009
 Yellow zinnia flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 31, 2009
 Yellow Mexican hat flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2012
 Big yellow iris flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Yellow flower of gourd in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 21, 2009
 Yellow skullcap-like flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 20, 2008
 Yellow iris flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Yellow gourd flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2009
 Close up of a flower of lantana in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 19, 2009
 Yellow flower of Heteropterys (Heteropteris) angustifolia in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 12, 2008
 White and yellow iris flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2009
 Yellow trumpet flower (Tecoma stans) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 18, 2008
 Close up of red hibiscus flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 23, 2009
 Flower of Southern blue flag (Iris virginica) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Yellow flower of Heteropterys (Heteropteris) angustifolia in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 11, 2008
 Yellow Mexican hat flower (Ratibida columnifera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 28, 2009
 Morning freeze on yellow violet flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Yellow flower of evening primrose (Oenothera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 10, 2014
 Close up of back lit red hibiscus flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2009
 Close-up of red passion flower (passiflora) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 17, 2008
 Close-up of yellow flowers of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 5, 2008
 Marsh cypress with yellow foliage in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 16, 2013
 Little Yellow butterfly (Eurema lisa) on a flower of common dandelion in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Yellow thunbergia alata (Black-eyed susan vine) flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 18, 2008
 Asymmetric flower of Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 24, 2013
 Close up of gulf fritillary caterpillar on passion flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 30, 2009
 White flower with yellow center of Poached eggs plant (Limnanthes douglasii) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 11, 2010
 Green lynx spider on a yellow trumpet (Tecoma stans) flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2009
 Yellow flower of Hooker s evening primrose (Oenothera hookeri) at sunrise in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 29, 2008
 Close-up of staminate flower of Chinese Pistache (Pistacia chinensis) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 10, 2009
 Close up of a flower of bottle gourd (calabash, Lagenaria siceraria) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 10, 2014
 Poached eggs plant (Limnanthes douglasii) bearing white flower with yellow center in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 5, 2009
 Citrus flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 6, 2008
 Flower beds in fog in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 2, 2012
 Flower beds in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 2, 2012
 Frozen zinnia flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 27, 2010
 Flower of portulaca (purslane) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 24, 2010
 Large yellow flower on a stout erect stem of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 26, 2008
 Large yellow flower of Hooker s evening primrose (Oenothera hookeri) and thick cylindrical ovaries behind it in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 21, 2008
 Coreid bug on candle bush flower, in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 10, 2010
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