Characteristics of Oleaceae The olive family By Kathy

Characteristics of Oleaceae “The olive family” By Kathy Germann

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

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/

Green ash (Fraxinus pensylvanica) • 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/large. Image? image. ID=frpe_008_ahp. tif

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

Emerald Ash Borer (EAB) Agrilus planipennis http: //www. fs. fed. us/fstoday/2008/080822/images/03. 0 About%20 Us /pests/Emerald. Ash. Borer_lg. gif http: //www. entomology. wisc. edu/emer aldashborer/ • 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. emeraldashborer. info/files/Multi. State_EABpos. pdf

Sources • http: //www. britannica. com/EBchecked/topic/42 7445/Oleaceae • http: //plants. usda. gov/factsheet/pdf/fs_frni. pdf • http: //plants. usda. gov/factsheet/pdf/fs_frpe. pdf • http: //www. emeraldashborer. info/