reaal acaulescent hippeastrum produce sagittatum Marsileaceae Powdery collards oribi grevilleas Panina opuntia ssamjang Hyoscyamus corms Hydrilla columbines plicate inflorescences basils rowans buds plants wintergreens syncarpous butterworts tubers leaves cotyledons sporophytes sundews ternately bulblets spathes perennials reducta phyllodes emersed