Oldenlandia salzmannii; photo © Alex Popovkin
Oldenlandia salzmannii leaves; photo © Alex Popovkin
Oldenlandia salzmannii inflorescence; photo © Alex Popovkin
Oldenlandia salzmannii flower; photo © Alex Popovkin
Oldenlandia sp., emersed; photo: S.L. Winterton
Oldenlandia sp. leaves; photo: S.L. Winterton
Oldenlandia sp. flower; photo: S.L. Winterton
Ooia glans; photo © S.Y. Wong & P.C. Boyce
Ooia glans inflorescence (spathes); photo © S.Y. Wong & P.C. Boyce
Ooia glans inflorescence (spathe); photo © S.Y. Wong & P.C. Boyce
Ophiopogon jaburan, emersed; photo: S.L. Winterton
Ophiopogon jaburan inflorescence; photo: S.L. Winterton
Ophiopogon planiscapus, emersed; photo: S.L. Winterton
Ophiopogon sp., emersed; photo: S.L. Winterton
Ophiopogon sp. inflorescence; photo: S.L. Winterton
Ophiopogon sp. flowers; photo: S.L. Winterton
Ornduffia albiflora flower; photo © Kevin Thiele
Ornduffia reniformis, emersed; photo © Russell Best
Ornduffia reniformis flower; photo © Bill Higham
Ornduffia reniformis flowers; photo © Chris Clarke
Orontium aquaticum, emersed; photo: S.L. Winterton
Orontium aquaticum spadix; photo: S.L. Winterton
Oryza sativa, emersed; photo: S.L. Winterton
Oryza sativa inflorescence; photo: S.L. Winterton
Oryza sativa spikelets; photo: S.L. Winterton
Ottelia alismoides (background), submersed, background; photo: S.L. Winterton
Ottelia alismoides, submersed; photo: S.L. Winterton
Ottelia alismoides flower; photo: S.L. Winterton
Ottelia ovalifolia, emersed; photo: S.L. Winterton