Perianth segments smooth, overlapping; corona funnel-shaped.
Named for a country western song, sung by Garth Brooks, one of the favorite singers of the wife of Dr. Reed.
Thunder Roll, 1 Y-R, Dr. John R. Reed, United States, 2008
Photo #53723 Mary Lou Gripshover, USAThunder Roll, 1 Y-R, Dr. John R. Reed, United States, 2008
Photo #53722 Mary Lou Gripshover, USAThunder Roll, 1 Y-R, Dr. John R. Reed, United States, 2008
Photo #53721 Mary Lou Gripshover, USAThunder Roll, 1 Y-R, Dr. John R. Reed, United States, 2008
Photo #51334 Kirby Fong, USAThunder Roll, 1 Y-R, Dr. John R. Reed, United States, 2008
Photo #51205 Kirby Fong, USAThunder Roll, 1 Y-R, Dr. John R. Reed, United States, 2008
Photo #51204 Kirby Fong, USAThunder Roll, 1 Y-R, Dr. John R. Reed, United States, 2008
Photo #48727 Kirby Fong, USA