That either A. That plant has oxygen, sunlight, water like our planet or B. That plant has found other means of supporting life beyond what we already know.
A plant with 12 petals could belong to the class Magnoliopsida, also known as dicots. Dicots typically have flower parts in multiples of four or five, which could include 12 petals.
Nectar is produced by specialized structures called nectaries, which are typically found in flowers. Nectaries can be located in various parts of the flower, such as the base of the petals, the floral tube, or the ovary.
A dicot has 5 petals
The climate changed
oak
Most hibiscus flowers have 5 petals, but there are some varieties that may have 3, 6, or even more petals. It is rare to find hibiscus flowers with exactly 4 petals, but exceptions may exist due to genetic mutations or hybridization.
A poppy plant typically has thin stems with bright, colorful flowers that have delicate petals. The flowers can range in color from red to pink to white. The plant also produces distinct seed pods after the flowers have bloomed.
This is a monocot because they have multiples of three in their petals, but the particular plant may be more than one plant.
In most plants, this would be the flower; specifically, the petals.
petals
There are indefinite number of petals in rose flower due to conversion of stamens in to petals
If your peony's petals have fallen off, it could be due to natural aging or environmental stress. Check the plant for signs of disease or pests, and ensure it's receiving adequate water and sunlight. If the plant is healthy, simply clean up the fallen petals and allow the plant to focus on developing its foliage. Pruning any dead or damaged stems can also help encourage new growth.