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Many rare and fascinating plants can be found on Stone Mountain. This is because life on a granite outcrop can be very stressful from all the exposure to the elements - rain, wind, sun, etc., and only a few hardy species can survive up there.

Also, there is a very lengthy period of succession before a large plant like a tree can ever take root on an exposed granite outcrop. "Succession" in this sense, describes the different stages of plant growth which occur before a mature plant community can be established.

The first plants in the succession on Stone Mountain are lichens. These are part fungi and part algae which live together by sharing their resources.

Prickly Pear Cactus Prickly Pear Cactus -- This plant is found throughout North American Deserts and is probably also found throughout the park because of the arid rocky environment of the mountain and granite outcrops. The large green parts of this plant are modified branches and stems and function in water storage and photosynthesis. The cactus spines are modified leaves. Both the fruits and the green pads are edible and cooked and eaten as a vegetable.

 


 

Yucca Yucca -- This is another desert plant that is found on the slopes of the mountain and on outcrops. The long bell shaped flowers form in the spring. It is also called soaptree yucca because Native Americans used the material in roots and trunk as a soap substance. They also used the leaves for weaving baskets.

 


 

Day Flower Dayflower -- The flower of this plant opens only once, in the morning, and then closes and liquefies during the heat of the day. Its young stems and leaves are used as an herb in foreign countries and Dayflower seeds are eaten by Quail, Doves and other songbirds. Dayflower blooms from late spring until frost.

 
 


 

Trout Lily Trout Lily -- This plant is found throughout park woods in late winter. It grows in shady areas in deciduous forests. The markings on the trout lily leaf are similar to markings found on the brook trout. Native Americans knew to fish for trout at the time they saw the trout lily come up in the forest.

 


 

Red Moss Red Moss -- Very abundant on the mountain and outcrops in early spring. They often grow in the same shallow depression communities and bloom at the same time. The Red Moss is not a moss at all, but a succulent plant which prefers the sunlight and warmth of the exposed granite.

 
 


 

Poolsprite Poolsprite -- These are the endangered aquatic plants which grow within the vernal pools at the top of the mountain. They are only found within the protected area at the top but can be viewed in mid-late April by looking over the fence.

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This web site was created by students for educational purposes at The Art Institute of Atlanta and is in no way intended for commercial gain or as a source of public information.