Flowers of Showy Evening Primrose (Oenothera speciosa) on a lawn near back entrance of Texas A and M University on campus of Education City. Doha, Qatar, April 16, 2015
Small yellow flower of evening primrose or Ludwigia(?) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 16, 2010
Shrubby (narrow-leaf) water-primrose (Ludwigia octovalvis) flower in Lick Creek Park. College Station, Texas, June 8, 2008
Bluebonnet and showy primrose flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
Flower of showy evening primrose (Oenothera speciosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
Blue primrose flowers (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 11, 2010
Cut-leaved evening primrose flower (Oenothera laciniata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
Cut-leaved evening primrose flower (Oenothera laciniata) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 24, 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
Primrose (Primula) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 21, 2015
Flowers of showy evening primrose (Oenothera speciosa) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 2018
Flower of showy evening primrose (Oenothera speciosa) with holes from insects on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
Cluster of yellow spring flowers of Arabian Primrose (Arnebia hispidissima, local name Hasheshat al arneb) in desert on hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
Flowers of Bird s-eye primrose (Primula farinosa, Pervotsvet Muchnisty in Russian) in area of Menkovo, south from Saint Petersburg. Russia, June 1, 2011
Flower of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, June 15, 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
Yellow flowers of Evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 3, 2009
Flower of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, June 30, 2012
Yellow flower of evening primrose (Oenothera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 10, 2014
Showy evening primrose flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 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
Evening primrose flower in Lick Creek Park. College Station, Texas, April 2, 2008
Tetrameric flower of water-primrose willowherb (Ludwigia) near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
Small yellow flower of Arabian Primrose (Arnebia hispidissima). Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
Yellow flowers of Cowslip primrose (Primula veris) in Sablino, south from Saint Petersburg. Russia, May 21, 2011
Yellow flowers of cowslip primrose (Primula veris, Russian name Pervotsvet) in Gatchina Park, suburb of Saint Petersburg. Russia, May 16, 2011
Cut-leaved evening primrose flower (Oenothera laciniata) in Lick Creek Park. College Station, Texas, April 20, 2008
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
Yellow flowers of Arabian Primrose (Arnebia hispidissima) in desert on hills of Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
Yellow flowers of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, May 20, 2014
Yellow flower of Arabian Primrose (Arnebia hispidissima) in desert. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
Flower of water-primrose (Ludwigia) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
Large yellow flowers of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 26, 2008
Tiny yellow flower like evening primrose in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2009
Flower of Showy Evening Primrose (Oenothera speciosa) on a lawn near back entrance of Texas A and M University on campus of Education City. Doha, Qatar, May 7, 2014
Close up of a flower of Showy Evening Primrose (Oenothera speciosa) on a lawn near back entrance of Texas A and M University on campus of Education City. Doha, Qatar, May 7, 2014
Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 15, 2014
Flower bracts of shrubby water-primrose (Ludwigia octovalvis) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Flower of showy evening primrose (Oenothera speciosa) under power lines near Park Hudson Trail. College Station, Texas, August 6, 2014
Flower of Showy evening primrose (Oenothera speciosa) on Park Hudson Trail. College Station, Texas, August 12, 2014
Flowers of Showy Evening Primrose (Oenothera speciosa) among Carissa bushes on a lawn near back entrance of Texas A and M University on campus of Education City. Doha, Qatar, April 16, 2015
Yellow flowers of Arabian Primrose (Arnebia hispidissima) in area of Jabal Al Jassasiya, on north-eastern coast. Qatar, February 12, 2016
Yellow flowers of Arabian primrose (Arnebia hispidissima) on the slope of limestone hills in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
Arabian primrose (Arnebia hispidissima) with yellow flowers on a gravel plane in Harrarah (Al Kharrarah). Southern Qatar, April 23, 2016
Red flower of primrose (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
Yellow flowers of primrose (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
Flowers of primrose (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 6, 2017
Red primrose flowers (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
Purple flowers of primrose (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2017
Purple flowers of primrose (Primula) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2017
Pink and yellow primrose (Primula) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
Flowers of showy evening primrose (Oenothera speciosa) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 6, 2018
Flowers of showy evening primrose (Oenothera speciosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
Yellow flower of rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, June 3, 2018
Flowers of showy evening primrose (Oenothera speciosa) on a lawn in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 13, 2019
Flower of showy evening primrose (Oenothera speciosa) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
Flower of showy evening primrose (Oenothera speciosa) with holes eaten out by bugs in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
Pink flowers of showy evening primrose (Oenothera speciosa) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
Flower of shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Yellow flower of shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Close up of a flower of shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
White flower of showy evening primrose (Oenothera speciosa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
Large flower of showy evening primrose (Oenothera speciosa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
Back lit flower of showy evening primrose (Oenothera speciosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
Pink primrose (Primula) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
Flowers of rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, June 3, 2018
Yellow flowers of square-bud primrose (Calylophus berlandieri) in Lake Bryan Park. Bryan, Texas, May 1, 2020
Flower of showy evening primrose (Oenothera speciosa) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021
Yellow flowers of square-bud primrose (Calylophus berlandieri) in Lake Bryan Park. Bryan, Texas, April 7, 2021
Flowers of showy evening primrose (Oenothera speciosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
Flowers of showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, April 20, 2021
Flowers of showy evening primrose (Oenothera speciosa) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 23, 2021
Yellow flower of rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, July 28, 2021
Flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Close-up of a flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
Yellow flowers of evening primrose (Oenothera hookeri) in the Gardens at Texas A and M University. College Station, Texas, August 10, 2021
Hornworm of Banded Sphinx Moth (Eumorpha fasciatus) with flower buds of water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 12, 2021
Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 11, 2022
Yellow flower of evening primrose (Oenothera hookeri) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022
