noun
kobus magnolia; Magnolia kobus
A deciduous tree native to Japan, known for its white flowers in early spring. The name is usually written in kana.
公園のコブシが満開です。
The kobus magnolias in the park are in full bloom.
The name コブシ is said to come from the shape of the fruit resembling a fist (拳, こぶし), but the exact derivation is uncertain.