Panicum bisulcatum inflorescence; photo © Show ryu
Panicum dichotomiflorum spikelet; photo © Andrey Zharkikh
Panicum effusum inflorescence; photo © Harry Rose
Panicum miliaceum inflorescence detail; photo © Andrey Zharkikh
Panicum niihauense; photo © David Eickhoff
Panicum virgatum; photo © Forest and Kim Starr
Panicum virgatum inflorescence; photo © Ted Bodner
Panicum sp.; photo © Robert Soreng
Peliosanthes teta; photo: S.L. Winterton
Peliosanthes teta ssp. humilis; photo: S.L. Winterton
Peliosanthes sp., emersed; photo: S.L. Winterton
Peliosanthes sp. inflorescence; photo: S.L. Winterton
Peliosanthes sp. flowers; photo: S.L. Winterton
Peltandra sagittaefolia spathe and spadix; photo © Philip Bouchard
Peltandra virginica, emersed; photo: S.L. Winterton
Peltandra virginica spathe; photo © D. Tenaglia
Peltandra virginica spathe and spadix; photo © Ken ichi Ueda
Penthorum chinense, emersed; photo: S.L. Winterton
Penthorum chinense inflorescence; photo: S.L. Winterton
Penthorum sedoides; photo © H. Zell
Penthorum sedoides; photo © Fritz Flohr Reynolds
Penthorum sedoides inflorescence; photo © Lawrence S. Gilliam
Penthorum sedoides flower; photo © H. Zell
Persicaria amphibia, submersed with emersed inflorescence, North Carolina, U.S.; photo © D. Tenaglia
Persicaria amphibia inflorescence; photo © D. Tenaglia
Persicaria hydropiperoides, emersed; photo: S.L. Winterton
Persicaria hydropiperoides, submersed; photo: S.L. Winterton
Persicaria hydropiperoides flower; photo: S.L. Winterton
Persicaria thunbergii, emersed; photo: S.L. Winterton
Persicaria sp., emersed; photo: S.L. Winterton