Appearance
It demands strongly acidic, humus-rich soils and tends to be found in the shade of acid-loving trees such as eastern white pine, red maple, red spruce and balsam fir. Although the soils that support it have low base saturation, this species was found to have relatively high levels of calcium, magnesium, and especially potassium in its foliage.''Trillium undulatum'' is a perennial herbaceous plant that spreads by means of underground rhizomes. There are three large leaf-like bracts arranged in a whorl about a scape that rises directly from the rhizome. Bracts are ovate, each with a definite petiole.
Behavior
Flowering occurs from late April to the end of June. The single, terminal flower is pedicellate with three sepals and three petals. The petals are wavy-margined and white with a central red to reddish purple splotch at the base of the flower.References:
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