Characteristics of Oleaceae “The olive family”
description
Transcript of Characteristics of Oleaceae “The olive family”
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/largeImage?imageID=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://www.rook.org/earl/bwca/nature/trees/fraxinusnig.html
http://plants.usda.gov/java/largeImage?imageID=frni_008_ahp.tif
Emerald Ash Borer (EAB) Agrilus planipennis • 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://w
ww
.entomology.w
isc.edu/em
eraldashborer/
http://www.emeraldashborer.info/files/MultiState_EABpos.pdf
Sources•http://www.britannica.com/EBchecked/topi
c/427445/Oleaceae
•http://plants.usda.gov/factsheet/pdf/fs_frni.pdf
•http://plants.usda.gov/factsheet/pdf/fs_frpe.pdf
•http://www.emeraldashborer.info/