"The Lilioideae are a subfamily of monocotyledon perennial, herbaceous mainly bulbous flowering plants in the lily family, Liliaceae. They are found predominantly in the temperate and ...
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colder regions of the Northern Hemisphere, particularly East Asia and North America. The subfamily includes two tribes. They are of economic importance, particularly the lilies and tulips." - (en.wikipedia.org 06.10.2019)
