A tree with 🌳︎ broadleaves arranged opposite, blade division=🍁︎ simple, 3-lobed (4+5 very small), leaf surface=smooth, teeth irregular size, not a shrub, twigs=red, branch tips do not curve upward.  ⚘  Flowers are small clusters of red, and appear very early in growing season — often appears before leaves!  Leaves and petiole are bright red in 🍃︎ autumn.  Twigs are bright red in  winter.  Usually grows in moist areas.

Also called ♒︎ water maple and ♒︎ swamp maple, although do not confuse with sister-species ◼︎ 🍁︎ silver maple  Acer saccharinum, which is also sometimes called those.

Part of 🍁︎ maple  genus Acer in soapberry  family Sapindaceae in cashew / 🌰︎ chestnut / 🍊︎ citrus / 🍁︎ maple  order Sapindales.

Native to 🇨🇦 🇺🇸 Canada and USA, east of the 🗻︎ Rocky Mountains.   🗺 Map by county (🇺🇸 USA-48), 🗺 map (North America, Central America),  Adobe Acrobat Reader file 🗺 today + with climate change (eastern 🇺🇸 USA).

🏛🌳︎ State tree of Rhode Island.

Uses by native peoples
(Ethnobotany database)
  Often planted as a ⛱ shade tree.  Some are tapped to make great maple syrup (zhiiwaagamizigan in Anish­inaa­be­mowin ) and maple sugar (ziinzibaakwad).

Acer hosts caterpillars of 285 species
of butterflies and moths, in some areas.
  Pollinator use and growing info
for this and other trees and plants.  Adobe Acrobat Reader file

This plant is known to be a host for (in areas where invasive) 🐝︎ spotted lanternfly (SLF)  Lycorma delicatula.

Considered one of the soft maples, although its 🪵 wood is nearly as hard as its cousins.

Male trees score 🤧︎ highly allergenic (7-8 out of 10) on the OPALS™ Ogren Plant Allergy Scale.  Female trees score least-allergenic (1 out of 10).  But most trees have flowers of both genders.

Planting info (SW Michigan)  Adobe Acrobat Reader file

Learn more about ◼︎ 🍁︎ red maple Acer rubrum

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora (Michigan) MSU Ext (Minnesota) Wildflower Garden Minnesota Wildflowers Missouri Botanical Garden Missouri Plants Native Plant Trust Flora of North America USDA PLANTS db USFS USFS Silvics Wikipedia