Isopyrum biternatum
(False Rue Anemone)

Other pictures of this plant:


               Seedpod                                           Leaf                                            Stem                                        Seed                                          Habit

Facts About this Plant:

    Common Names: False Rue Anemone, Eastern False Rue Anemone, Isopyrum
    Synonyms: Enemion biternatum
    Lifespan: Perennial
    Zones: 3 - 8
    Type: Forb
    Bloom Time: March - May
    Status: Native
    Range:

Isopyrum biternatum, or False Rue Anemone, is native to most of the eastern United States. It grows in moist open woods, as well as woodland edges. It blooms in mid to late summer, with small yellow flowers on long stalks.

There are only three other species in this genus, but they are all on the West coast, so, Isopyrum biternatum can easily be distinguished from those in the wild. Meanwhile, another species - Anemonella thalictroides has a very similar medium-size white flower with sparse yellow anthers, but it frequently has more than five petals and it leaves behind a loosely grouped bunch of oval-shaped, ribbed seeds. In contrast, Isopyrum biternatum always has five petals, and its leaves are deeply lobed, and its seed pods are four nutlets left behind where the flower was that each contain several seeds and its stems are usually reddish.

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