We found 2 definitions of mountain alder from 1 different sources.
Noun |
||
mountain alder - tree of western United States | ||
white alder, Alnus rhombifolia | ||
alder tree, alder north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant | ||
mountain alder - small shrubby maple of eastern North America; scarlet in autumn | ||
mountain maple, Acer spicatum |