noun which may take the genitive case particle 'no', noun
half-bloomed; half-florescent
Describes flowers that are about 50% open, often used in cherry blossom forecasts or gardening contexts.
The cherry blossoms are still only half-bloomed.
五分咲きの梅も風情があります。
Plum blossoms at half-bloom also have a charming atmosphere.
Compound of 五分 (gobu, 'half') + 咲き (zaki, 'blooming', from 咲く).