Download Box Elder - Herrin High School

Acer negundo L.
Classification
Kingdom Plantae – Plants Subkingdom Tracheobionta
– Vascular plants Superdivision Spermatophyta – Seed
plants Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass – Rosidae
Order – Sapindales
Genus Acer L. – maple
Species Acer negundo L. – boxelder
Shape, Form, Type
 Medium sized tree to 60 feet, typically with random
form and multiple trunks.
FIGURE 1
Bark
 Thin, gray to light brown, with shallow interlacing
ridges; young bark is generally warty.
FIGURE 2
FIGURE 3
Twig
 Greenish purple, moderately stout, with narrow leaf
scars, meeting in raised points.
FIGURE 4
FIGURE 5
Leaf
 Opposite, pinnately compound.
 3-5 leaves, but sometimes 7
 2-4 inches long
 Lobed
FIGURE 6
 Light green at top but gets paler at bottom
FIGURE 7
FIGURE 8
Bud
Flower
 Dioecious; yellowish green, in drooping racemes;
appearing in spring.
FIGURE 10
FIGURE 9
Fruit
 1 to 1 and ½ inches long
 Drooping clusters
 Light tan when ripe in the fall, lasting through the
winter
 V-shape
FIGURE 11
FIGURE 12
Habitat and Range
 Prefers bright sunlight.
 It often grows on flood plains and other areas with
plenty of water supply.
 It grows around houses and in hedges, as well as on
ground and vacant lots.
Range cont’d
FIGURE 13
Uses
 Although its light, and soft wood is considered
undesirable for most uses, this tree has been
considered as source of wood fiber, for use in
fiberboard.
References
 Text citation:
 Tree tropics. (6, 24 2010). Retrieved from


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http://www.treetopics.com/rhus_glabra/gallery1.htm
Vanderbilt. (6, 24 2010). Retrieved from
http://www.cas.vanderbilt.edu/bioimages/species/rhgl.htm
Virginia tech. (6, 24 2010). Retrieved from
http://www.cnr.vt.edu/DENDRO/dendrology/syllabus/factsheet
.cfm?ID=80
Illionois wild flowers. (6, 24 2010). Retrieved from
http://www.illinoiswildflowers.info/trees/plants/sm_sumac.htm
Usda plant. (6, 24 2010). Retrieved from
http://plants.usda.gov/java/profile?symbol=ACSA2
 Figures 1-12:
 Virginia tech. (6, 24 2010). Retrieved from
http://www.cnr.vt.edu/DENDRO/dendrology/syllabus
/factsheet.cfm?ID=80
 Figure 13:
 Usda plant. (6, 24 2010). Retrieved from
http://plants.usda.gov/java/profile?symbol=ACSA2