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The Cedar Glade Ecosystem What is a cedar glade? • Endangered Ecosystem • Characteristics: – Very thin soil layers – Exposed limestone rock – Surrounded by junipers – Dry in summer, wet in winter What is a Cedar Glade? Where are the Cedar Glades? • Central Basin of Middle TN Where are the Cedar Glades? The Zones of the Cedar Glades • • • • • Zone 1- Bare rock, no soil Zone 2- Gravelly glades; 0-2 in. soil Zone 3- Grassy glades; 2-8 in. soil Zone 4- Shrub zone; 8-12 in. soil Zone 5- Cedar woods zone; 12+ in. soil The Zones of the Cedar Glades Zone 1: Bare rock, No soil Zone 2: Gravelly Glade; 0-2 in. soil Zone 4: Shrub Zone 3: Grassy Glade; 2-8 in. soil Zone; 8-12 in. soil Zone 5: Cedar woods; 12 in. soil What makes the Cedar Glades Unique? • Found primarily in Middle TN – A few other places in the South • Endemic Plant Species – What does endemic mean? – How? • Adapted to extreme environment • Can not compete elsewhere • We have plants in Rutherford Co. that are not found anywhere else in the world! Now here are some important Cedar Glade Plant species…. Prickly-Pear Cactus • The only native cactus in Tennessee • Zones 2 and 3 of the glades Sunnybell Lily • Endangered plant protected by state law • Interstate 840 was rerouted for this plant • Zones 2 and 3, near standing water Hoary Puccoon • Native Americans used flowers as a yellow dye • Found in zones 2 and 3 Nashville Mustard (glade cress) • In the mustard family • Endemic to Middle TN cedar glades; zone 2 Prairie Coneflower • In the sunflower family • 3-4ft tall; found in zone 3 Price’s Wood Sorrel • In the Wood Sorrel family • Leaves look like clovers • Endemic to cedar glades; zone 2 Shrubby St. John’s Wort • Used as an anti-depressant • 5 petals, numerous stamens • Zone 4 Missouri Evening Primrose • Large yellow flowers up to 5 inches across • Zone 2 • East of Mississippi River, found only in Rutherford Co. Gattinger’s Lobelia • Dr. Gattinger named this bluepurple flower • Endemic to the cedar glades; Zone 2 Blue-Eyed Grass • This “grass” is really a flower in the iris family • Zones 2 and 3 Wild Petunia • Blue-violet trumpet-like flowers • Sweet smell • Zones 2 and 3 Glade Savory • • • • Perennial in the Mint family Fragrant leaves Square stem Zone 3 Gattinger’s Prairie Clover • Aromatic leaves when crushed/stepped on • Red stems • In the pea family • Zones 2 and 3 Nashville Breadroot • Showy flower with large, swollen root/tuber which may be used for food (starchy) • Endemic to the cedar glades; zone 3 Tennessee Coneflower • First federally listed endangered species in TN • Endemic to the cedar glades; Zone 3 • Petals bent forward, opposite of other coneflowers Pyne’s Ground Plum • Only found in Rutherford Co. • Nowhere else in the world! • Red, fleshy fruit • Zones 3 and 4 Shooting Star • Unusual flowers that look like rockets • Zones 3, 4, and 5 Glade Stonecrop • Form a mat on thin soil over limestone rock • Zone 2 Redcedar • Actually a juniper, not a cedar • Surrounds the glade; zone 5 BINGO TIME! • Go to lab tables; Work in pairs • When you get 5 boxes in a row (horizontally, vertically, or diagonally), yell out “Bingo!” • I will check your answers- you will get a participation award • We will continue until all questions have been answers