Acer circinatum 'Monroe'
Monroe Vine Maple
Native to (or naturalized in) Oregon:
- Deciduous tree, 10-13 ft (3-4 m), multi-stemmed, shrubby, wide spreading, wider than tall, stiff, purplish branches. Opposite, simple leaves, 6-10 cm wide, seven-lobed, deeply incised to the base, yellow in fall.
- Sun or deep shade
- Hardy to USDA Zone 5
- Found by Warner Monroe of Portland in the headwaters of the McKenzie River in the Cascade Mountains of Oregon. He layered the plant, brought it into cultivation, and later it was registered. It was named by Brian Mulligan, former director of the Washington Park Arboretum, Seattle (Jacobson, 1996; van Geldereen and van Geldereen, 1999).