hemerocallis: east Asian rhizomatous clump-forming perennial herbs having flowers on long leafless stalks; cosmopolitan in cultivation: day lilies; sometimes placed in subfamily Hemerocallidaceae
liliid monocot genus: genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils
boron: a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder