Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 11, 2010
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 Sundrops (Turnera ulmifolia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 6, 2008
Yellow flower of Sundrops (Turnera ulmifolia) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, September 9, 2009
Yellow flowers of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, May 20, 2014
Flower of Halfshrub Sundrops (Calylophus berlandieri) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, July 12, 2014
Yellow flowers of halfshrub sundrops (Calylophus berlandieri) on Moore s Hill Outcrop at FM Road 3090 2 miles north-east from Navasota. Texas, May 24, 2020
Close-up of a yellow flower of halfshrub sundrops (Calylophus berlandieri) on Moore s Hill Outcrop at FM Road 3090 2 miles north-east from Navasota. Texas, May 24, 2020
Back lit yellow flower of halfshrub sundrops (Calylophus berlandieri) on Moore s Hill Outcrop at FM Road 3090 2 miles north-east from Navasota. Texas, May 24, 2020
Flower buds of halfshrub sundrops (Calylophus berlandieri) on Moore s Hill Outcrop at FM Road 3090 2 miles north-east from Navasota. Texas, April 3, 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 flowers of halfshrub sundrops (Calylophus berlandieri) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, April 17, 2022
Yellow flower of narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) at the end of Creagor Lane near Lick Creek Greenway Trail. College Station, Texas, April 2, 2024
