Glossary Term: Phenology
The study of the periodicity in the occurrence of a natural phenomenon (such as flowering) in relation to climate and season.
- Palea
- Pandurate
- Panicle
- Paniculate
- Papillae
- Papillose
- Papyraceous
- Parallelism
- Paraphyletic
- Paratype
- Parietal
- Parsimonious
- Parsimony
- Partial inflorescences
- Patent
- Pectinate
- Pedicel
- Pedicellate
- Peduncle
- Pedunculate
- Peloric
- Peltate
- Pendulous
- Pergamentaceous
- Perianth
- Persistent
- Petal
- Petaloid
- Petals
- Petiolate
- Petiole
- Phenology
- Phylogeny
- Pilose
- Pistil
- Placenta
- Plesiomorphic
- Plesiomorphy
- Plicate
- Pollen
- Pollinarium
- Pollinia
- Pollinium
- Polyphyletic
- Polyploid
- Polythetic group
- Porate
- Porrect
- Posterior
- Premorse
- Primary root
- Primitive
- Primordium
- Procumbent
- Prominent
- Protandrous
- Proteranthous
- Protocorm
- Protologue
- Proximally
- Pruinose
- Pseudobulb
- Pseudocopulation
- Pseudopollen
- Puberulous
- Pubescent
- Pulvillus
- Punctate
- Pustulate
- Pustulose
- Pyramidal
- Pyriform