| Name | Structure/ Category | Description |
|---|---|---|
| Persistent | (2) [Seed cones] {persistence} | Remaining on the branch long after shedding seeds, sometimes for many years. |
| Persistent | (3) [Seed cone armature] {persistence} | Remaining attached; not falling off while the cone is still intact. |
| Petal | A unit or segment of the inner floral envelope or corolla of a flower; often colored and more or less showy. | |
| Petaloid | resembling a flower petal in form, appearance, or texture | |
| Petiolate | [Leaves] {form of attachment} | With a leaf stalk or petiole. |
| Petiole | a slender stem that supports the blade of a foliage leaf and that is usu. cylindrical but sometimes flattened or even winged | |
| Petiolulate | [Leaflets] {form of attachment} | With a leaflet stalk or petiolule. |
| Petiolule | The stalk of a leaflet of a compound leaf. | |
| Photosynthetic | Able to convert light energy to chemical energy by means of chlorophylls and other photosynthetic pigments. | |
| Phyllary | one of the involucral bracts subtending the flower head of a composite plant |
