Kiss-Me-Over-The-Gate (Polygonum orientale)
The typical beaded or knot-shaped flower of this genus of plants. The flower head is made up of many small pink flowers in spherical heads. The flowers lack petals (apetalous). The things that look like petals are colorful sepals.
Photographer:
Kiss-Me-Over-The-Gate (Polygonum orientale)
Image by Paul S Drobot