Part of ash  genus Fraxinus in ash / lilac / olive  family Oleaceae.

Native to 🇨🇦 Canada and 🇺🇸 USA, east of the 🗻︎ Rocky Mountains, vaguely around the Great Lakes and Maritimes.  Found in low wet areas.

Formerly abundant, in much of its range, this tree (and other native ashes), with stem diameter over 2½ cm (1 in) (taller than a basketball hoop or so), have been or are now being killed by parasitic insect emerald ash borer (EAB)  Agrilus planipennis.   Although we hear that some communities and homeowners have protected their favorite adult ash trees through annual treatments.  Details?

Uses by native peoples
(Ethnobotany database)
  Its wood is used to make baskets and barrel hoops.

Fraxinus hosts caterpillars of 150 species
of butterflies and moths, in some areas.
  Native alternatives for ashes killed by EAB (Missouri Botanical Garden).

Propagation protocol (.pdf).

Learn more about ◼︎ black ash Fraxinus nigra

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