Also called Japanese silverberry, autumn elaeagnus, umbellata oleaster and spreading oleaster. We have seen some sources spell (misspell?) it Elaeagnus umbellate.
Very distantly related to (not in the same genus, family, order nor subclass as) the food olive
🇪🇺 European olive Olea europaea.
Instead, …
Part of
oleaster/silverberry genus Elaeagnus
in
oleaster family Elaeagnaceae
in
🍎︎ apple / 🍇︎ berry / buckthorn / elm / hemp / 🌹︎ rose order Rosales.
Native to 🌏︎ eastern Asia, from the 🗻︎ Himalayas to 🇯🇵 Japan.
🗺 Map by county (🇺🇸 USA-48)
(color key).
Invasive > learn+quiz
Invasive > 🌐︎ global
Invasive > 🌐︎ various
Invasive > 🇨🇦 🇺🇸 Canada+USA
Invasive > report it!
Invasive > 🇺🇸 USA
Invasive > Michigan
restricted in Michigan, incl. seeds, fragments and derivatives. 
Inv. trading card
Nice drawing. (page 38)
Uses by native peoples
(Ethnobotany database)
On No-Planting List by Seneca Nation of Indians SNI. (pages 58 and 61)
Recipe.
🇺🇸 In the USA, the
USDA suggests
those seeking a drought tolerant tree replace this plant with
native alternatives
🍓︎ strawberry bush Euonymus americanus,
wax-myrtle Myrica cerifera,
meadowsweet Spiraea latifolia
or
mapleleaf viburnum Viburnum acerifolium.
[1]
More native alternatives (Missouri Botanical Garden).
Because its roots fix
atmospheric nitrogen, autumn olive can outcompete non-nitrogen-fixing trees in poorer soils.