Crimson Spire Oak         KWER-kus bi-mun-DO-rum

• Deciduous tree, narrow columnar, upright, to 45 ft tall and 15 ft wide (~14 × 4.5 m).  Leaves alternate, simple, obovate with three to five pairs of rounded lobes, 9-15 cm long by 5-9 cm wide, leaf base is rounded to broadly acute, dark green, rusty red in fall.
• Hardy to USDA Zone 5      Discovered by Willet Wandell in his nursery in Oquawka, Illinois, from a Q. robur seed parent, Q. alba is suspected as being the pollen parent.  Introduced in 1994 by the J. Frank Schmidt Nursery, Boring, Oregon, PP 9103.
• bimundorum: Latin, bi, two, and mundus, worlds, hence Two Worlds because it is a hyrid of Q. robur English Oak (from the "old world") and Q. alba White Oak, native to Eastern North America (i.e., the "new world").
• Oregon State Univ. campus: three trees on the south side of Pharmacy.