Perfect. Having both pistils and stamens.
Perianth. The floral envelope consisting of calyx, corolla, or both.
Persistent. Not falling for a long time.
Petal. A division of the corolla.
Petiole. The stalk of a leaf.
Petiolule. The stalk of a leaflet in a compound leaf.
Pistil. The seed-bearing organ of the flower.
Pistillate. Provided with pistils; usually applied to flowers without stamens.
Pollen. The fertilizing grains contained in the anthers.
Puberulent. Minutely pubescent.