Trillium is a genus of about fifty flowering plant species in the family Melanthiaceae, commonly known as wakerobin, toadshade, and birthroot. These plants are typically found in woodland areas and bloom in spring, becoming dormant by midsummer. To thrive, trilliums prefer moist, well-draining soil enriched with organic matter and a shaded position, ideally beneath deciduous trees. This genus is part of the same family as hellebores, Melanthiaceae. The plants can be sessile, with flowers situated directly on top of the leaves rather than at the end of a stalk, or pedicellate, with a short stem holding the flower. All have three bracts or leaves, flowers have three petals and three sepals. Trilliums take up to seven years to flower and live for 25 years or more. Arilliums are threatened or endangered in many parts of North America.
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