In my flower garden grows a volunteer vine with the most amazing bloom.... the Passion Flower. I often use the term "volunteer" for plants that like to pop-up in the walkways and other surprising places, without any help from me.
The story goes that the name was derived from the Christian crucifixion story. The 10 petals represent the disciples of Jesus, excluding Peter and Judas, The five stamens represent the wounds Jesus received while on the cross, and the knob-like stigmas are the nail heads. The fringe is the crown of thorns he wore. If you will click on the photo, you will see the amazing details of the flower.
If you are not familiar with this flower, click on Passion Flower. This is a wonderful website that gives so much information about Texas Wildflowers. You will not be disappointed with the photos and range of information.