Botany Blog Plants of the Northeastern U.S.

June 12, 2017

Round-leaved Orchid

Filed under: North American Native Plants — admin @ 18:19

Round-leaved orchid (Amerorchis rotundifolia) once occurred in a few places in northern NY but is now considered to be extirpated. It is considered to be rare in most states where it still occurs.

This orchid is primarily found in northern white cedar swamps. I joined a small group today on a trip to a cedar swamp in Canada where this orchid is still relatively common.

The flowers are pinkish white and typically have pink spots on the lip.

Plants have a single, round to oval basal leaf.

A form with broad, longitudinal reddish lines on the lip has been called var. lineata and was found mixed with the more typical form.

Closeup of the lined form.

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