Species from Western China. Large, deeply-lobed leaves emerge bronze-purple and mature to olive-green with prominent veins. Upright, spreading habit with smooth, green stems which mature silver with age. Glowing yellow and orange autumn leaves. Acer campbellii ‘Gwavas’ (Campbell’s Himalayan Maple) is a deciduous tree that grows at a moderate rate to reach 6m (H) x 3m (W) in 10 years.