Palmate

Lobed or divided in hand-like fashion, usually five- or seven-lobed

Panicle

Branching raceme

Paniculate

Bearing flowers in panicles

Pedicel

Stalk of an individual flower in an inflorescence

Peduncle

Stalk of a flower cluster or of a solitary flower

Pendulous

Hanging, weeping

Perennial

Living for several years

Perfoliate

Of leaves in pairs fused at the base whose stem appears to pass through them

Perianth

Calyx and corolla together; also commonly used for a flower in which there is no distinction between corolla and calyx

Pernicious

Persistent and having qualities harmful to other plants

Persistent

Remaining attached

Petal

One of the separate segments of a corolla

Petaloid

Petal-like (as in a stamen)

Petiole

Leaf-stalk

Pinnate

With leaflets arranged on either side of a central stalk

Pistil

Female organ of a flowering plant comprising ovary, style and stigma

Pit planting

Planting in a prepared pit

Plumose

Feather, as the down of a thistle

Pollard

To cut off all the branches of a tree, leaving only the trunk

Pollen

Spores or grains contained in the anther, containing the male element

Polygamous

Bearing bisexual and unisexual flowers on the same plant

Procumbent

Lying or creeping

Propagation

The production of plants, by sexual, asexual or vegetative means

Prostrate

Lying flat on the ground

Pubescent

Covered with short, soft hairs, downy