Flower petal number

5

© Photographer/source
Phlox pilosa
JP80116_40

We use the term petal loosely, as a layperson would judge it. For example, helianthus sp. are scored as over 6 because we regard the disc florets as petals and the showy bracts on Euphorbia pubentissima are also regarded as petals, therefore it is scored as having 5 petals.