What flower and fruit features occur in the four-o'clock family Nyctaginaceae?

In the Nyctaginaceae family, which belongs to the Caryophyllales order, flower and fruit characteristics are distinct:

Flower Features

• Perianth: The flowers lack true petals. Instead, they possess a small, tubular, petal-like structure known as the perianth, which is likely equivalent to sepals in other plants.1
• Bracts: These plants feature colored, leaflike structures called bracts. These bracts may fuse and resemble petals, or in some species, they act like sepals to enclose a single, brightly colored perianth whorl.1

Fruit Features

• Type: The fruit is a small, dry achene containing a single seed.1
• Structure: Fruits are often grooved or winged and are frequently surrounded by the persistent perianth tube, which can become fleshy.1
• Trichomes: The fruit surface may be covered in sticky plant hairs (trichomes). In some species, such as the birdcatcher tree (Pisonia), these sticky hairs are potent enough to ensnare small birds.1