iris japonica basal deep dark green, yellowish-green or light green leaves.

also background blue butterfly carpets china clumps creeping crest cultivated dense flower flowers form fringed genus greenish invasive iris japan japonica known lavender limniris lophiris native orange ornamental out pale perennial plant regions rhizomatous rhizomes rooted section sending shaga shallow short slender species spreads stolons subgenus temperate thin white yellow