Western Crabapple, Pacific Crabapple, Oregon Crabapple          MA-lus fus-KA

• Deciduous thicket-forming shrub or small tree, often with several trunks, to 30 ft, sometimes more.  Spur shoots abundant on older branches.  Leaves alternate, simple, 3-10 cm long, shape variable, ovate to oval or elliptical, base wedge-shaped to rounded, sometimes 3-lobed on vigorous shoots, apex acute, margin serrate, dark green to yellow-green above and paler below, both surfaces pubescent when young, petiole 2.5-4 cm inches long.  Flowers in small upright clusters, each 2 cm wide, 5 rounded white or rarely pink petals.  Fruit 12-19 mm long, usually longer than wide, yellow-green to red, calyx absent, edible but sour.
• Sun or partial shade.  Apparently not fussy about soil, a "wetlander" plant.
• Hardy to USDA Zone 6     Native range along the Pacific Coast, from southern Alaska south to northern California, up to 1,000 ft (305 m) elevation.  Usually found on moist sites near streams and other wet places.
• Corvallis, Oregon: William L. Finley Nat. Wildlife Refuge, low areas on Woodpecker Loop trail