genus Proboscidea
— Noun
– English
～ in some classifications included in the genus Martynia and hence the two taxonomic names for some of the unicorn plants
genus Procavia
— Noun
– English
～ type genus of the Procaviidae
Gram's procedure
— Noun
– English
～ a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
genus Procellaria
— Noun
– English
～ type genus of the Procellariidae
Gentiana procera
— Noun
– English
～ small blue-flowered fringed gentian of east central North America
Gentianopsid procera
— Noun
– English
～ small blue-flowered fringed gentian of east central North America