Pedicularis is a genus of perennial green root parasite plants currently placed in the broomrape family Orobanchaceae (the genus previously having been placed in Scrophulariaceae sensu lato).
Penstemon, the beardtongues, is a large genus of roughly 250 species of flowering plants native mostly to the Nearctic, but with a few species also found in the North American portion of the Neotropics.
Peperomia (radiator plant) is one of the 2 large genera of the Piperaceae family, with more than 1000 recorded species.
Phacelia (phacelia, scorpionweed, heliotrope) is a genus of about 200 species of annual or perennial herbaceous plants, native to North and South America.
Phoenix acaulis (acaulis, Latin, trunkless) or Dwarf Date Palm / Stemless Date Palm is a species of flowering plant in the palm family, native to northern India, Bhutan and Nepal.
Podococcus is a genus of palms found in tropical Africa.
Primula vulgaris, the common primrose is a species of flowering plant in the family Primulaceae, native to western and southern Europe (from the Faroe Islands and Norway south to Portugal, and east to Germany, Ukraine, the Crimea, and the Balkans), northwest Africa (Algeria), and southwest Asia (Turkey east to Iran).