Characteristics of Oleaceae “The olive family”

1. Characteristics of Oleaceae“The olive family” By Kathy Germann

2. Oleaceae • 25 genera • 615 species • The best known members of this family are: • Olive trees • Ash trees • Lilac • Golden bell • Members of this family can live most any where accept near the poles

3. Flowers • Most flowers in this family have 4 sepals , 4 petals, 2 stamen, and 2 fused carples. • The petals are usually fused at the base to form a tube. http://luirig.altervista.org/photos/l/ligustrum_ovalifolium.htm http://gardenpictures.com/2009/01/31/pink-lilac-flowers/

4. Green ash (Fraxinuspensylvanica) • Grows in most soil types and is flood tolerant • Grows to around 70 feet tall • It is an early successional stage tree http://www.rook.org/earl/bwca/nature/trees/fraxinuspenn.html http://plants.usda.gov/java/largeImage?imageID=frpe_008_ahp.tif

5. Black ash (Fraxinusnigra) • Grows in poorly drained soils. • Grows to 30 to 50 feet tall • Typically contains more leaflets than Green ash http://plants.usda.gov/java/largeImage?imageID=frni_008_ahp.tif http://www.rook.org/earl/bwca/nature/trees/fraxinusnig.html

6. Emerald Ash Borer (EAB) Agrilusplanipennis • Adult beetles nibble on leaves causing some damage • The real damage come from their larvae who feed on the inside of the bark on the tree. This disrupts the transportation of water and nutrients. • Exit holes are D shaped and appear in June and July http://www.fs.fed.us/fstoday/2008/080822/images/03.0About%20Us/pests/EmeraldAshBorer_lg.gif http://www.entomology.wisc.edu/emeraldashborer/

7. http://www.emeraldashborer.info/files/MultiState_EABpos.pdf

8. Sources • http://www.britannica.com/EBchecked/topic/427445/Oleaceae • http://plants.usda.gov/factsheet/pdf/fs_frni.pdf • http://plants.usda.gov/factsheet/pdf/fs_frpe.pdf • http://www.emeraldashborer.info/