Bur Oak
(Quercus macrocarpa)
Fagaceae (Beech Family)
▲▼ mature trees
▲▼ leaves
▲ corky, furrowed young stems
▲ trunk and bark
Location on campus: east of MacDonald Arena
Quercus macrocarpa:
Bur Oak
leaves alternate, deciduous, simple, obovate with shallow lobes on upper half of
leaf and deeper lobes on leaf base; dark green and glossy above, gray pubescent
underneath; 4-10" long and
2
as wide
stems stout, yellow-brown, smooth; some trees develop corky fissures on 2-3 year
old twigs
bark similar to swamp-white oak
grows 70-80' tall with equal to greater width in rounded or irregular canopy
acorns can be 3/4 to 2" long, about 2/3 as wide, enclosed
2
to almost entirely by rough-textured cap with fringed edge
prefers full sun, moist, well-drained soils; tolerates dry soils
medium growth rate; fast when young
native to Missouri (and Springfield)