お花見[ohanami] cherry blossom viewing
一花[hitohana] success
卯の花[unohana] bean-curd lees
雲鬢花顔[unbinkagan] beautiful woman (metaphorical)
黄花[kouka] chrysanthemum

火花[hibana] spark
花の木[hananoki] flowering tree
花瓣[hanabira] (flower) petal
花より団子[hanayoridango] dumplings rather than flowers

葵祭[aoimatsuri] hollyhock festival
菟葵[isoginchaku] sea anemone
向日葵[himawari] sunflower (Helianthus annuus)
山葵[wasabi] wasabi (Japanese horseradish)
立ち葵[tachiaoi] hollyhock (Alcea rosea)

山葵漬[wasabizuke] pickled Japanese horseradish
花葵[hanaaoi] hollyhock
天竺葵[tenjikuaoi] geranium
銭葵[zeniaoi] common mallow (Malva sylvestris var. mauritiana)