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nouneast Asian rhizomatous clump-forming perennial herbs having flowers on long leafless stalks; cosmopolitan in cultivation: day lilies; sometimes placed in subfamily Hemerocallidaceae
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Definition that contains hemerocallis
- family hemerocallidaceae one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hemerocallis
- hemerocallidaceae one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hemerocallis