noun
spindle tree; Euonymus alatus f. ciliatodentatus
A deciduous shrub native to East Asia, known for its corky-winged branches and bright red autumn foliage. Often used ornamentally.
庭にコマユミを植えたら、秋に真っ赤に紅葉した。
When I planted a spindle tree in the garden, its leaves turned bright red in autumn.
The name コマユミ is derived from 小 (ko, 'small') + 真弓 (mayumi, 'spindle tree'), referring to a smaller variety of the spindle tree.