During the spring and summer the leaves have served as factories where ... while others give the sugar maple its brilliant orange. The autumn foliage of some trees show only yellow colors. Others, ...

Paperbark maple trees (Acer griseum ... Its spring buds are purplish-green and unfurl into bright green leaves. Greenish-yellow flowers appear at the same time. These blooms morph into purplish ...

with vibrant hues ranging from yellow to orange to red. While we usually associate maple foods with flavorsome maple syrup, the sap that comes from the tree's trunk, the leaves themselves are also ...