moss would be one but even it has a tiny root system. every plant must have a root system so they have a way to get water and nutrients out of the earth.
This could be several different types of plants, but the most common would be a fern.
pine tree
fern
fern
Cacti
Coconut
The small green 'leaves' are not leaves but the sepals that photosynthesize to provide food to the flower. They also act as a support to the flower.
Knotweed
Large Leaves will produce more food for the plant because it can absorb more sunlight which during photosynthesis the plant creates food
Berberis darwinii
small particles are created and held in a flower. when bees and other insects jump from flower to flower and from plant to plant, they pick up and drop some of the material from the flowers onto other flowers. this allows other plants to fertilize it, creating seeds.
The small green 'leaves' are not leaves but the sepals that photosynthesize to provide food to the flower. They also act as a support to the flower.
A plant native to Mexico and Central America that has small yellow flowers surrounded by large red, white, or pink leaves that look like flower petals.It is a plant
Edelweiss is a European perennial alpine plant, Latin name Leontopodium alpinum, with downy leaves and small white flower heads.
The red leaves of a poinsettia are not part of the flower, which is small. They are differently colored normal leaves.
flower
sepals
canapea
stomata
Moss plants have small, flat, thin leaves
Ferns fit that specification.
Knotweed
Large Leaves will produce more food for the plant because it can absorb more sunlight which during photosynthesis the plant creates food