Mostly xerophytic plants
Cactuses
Plants that live in the desert have long roots so when it DOES rain they are able to gather a lot of it. They also have small leaves and some have spikes so that other animals can't steal their water.
there are plants that can store water, but do not need much to survive, such as a cactus, they also don't have big leaves because that needs more water, and there is a lot of sun in the desert.
they live in the desert where it is very hot
There are deciduous plants in the desert but no deciduous desert.
a spikey plant that ha a liquid inside to stay alive
desert scrub is one of them and that is all i know because i live their
By definition, in the desert
Yes, plants live in all but the most exteme of deserts such as the Antarctic where few plants live and are rare in the Atacama Desert.
An ecosystem is a place where plants and animals ( maybe humans ) live and animals and plants live in the desert so … 
Some of the plants that live in the Simpson Desert: Canegrass Acacia Parrot Bush Spinifex Grass
Desert plants
In the Sonoran Desert, one can find the agave, palm, desert marigold, summer poppy, and cactus are some plants or trees. A famous type of cactus native to this desert is the Saguaro cactus.
Armadillo lizard, Desert tortoise, camel, desert rat are the only animals that live in the desert.cactus, Soaptree Yucca, Mojave Aster are the only plants to live in the desert
Xerophytic plants live in the desert scrub.
a cactus
Some plants found in Gibson Desert are mulgas, mixed shrubs, triodia, desert bloodwood, and porcupine grass. While mulga is a shrub, desert bloodwood is a tree. Triodia is a type of grass. Gibson Desert is situated in Western Australia which has an area of 60,232 square miles.
Aphids can be found in any warm or hot desert which has plants upon which they feed.