Mimulus ringens

Mimulus ringens is a species of monkeyflower known by the common names Allegheny monkeyflower and square-stemmed monkeyflower.

Mimulus ringens
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Mimulus
Species:
M. ringens
Binomial name
Mimulus ringens

It is native to eastern and central North America, and there are occurrences in the western United States, some of which may represent introductions. It grows in a wide variety of wet habitat types. Seeds are available from commercial suppliers.

This is rhizomatous perennial growing 20 centimeters to well over a meter tall, its 4-angled stem usually erect. The oppositely arranged leaves are lance-shaped to oblong, up to 8 centimeters long, and sometimes joined or nearly so clasping the stem. The herbage is hairless. The flower 2 to 3 centimeters long, its tubular base encapsulated in a ribbed calyx of sepals with pointed lobes. The flower is lavender in color and divided into an upper lip and a larger, swollen lower lip.

One variety of this plant, var. colophilus, is rare, ecologically restricted, and vulnerable. It is known from Quebec, it has been reported in Vermont, and there are a few occurrences in Maine, where it grows only in freshwater sections of tidal estuaries.[1] This plant variety faces several threats, but its current status is not known due to a lack of data.[1]

References

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