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Alpine Garden Society Plant Encyclopaedia
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Authors: Piper  

Botanical Description

Flowering plants 10-30cm tall. Leaves broadly ovate, 3-6cm long. Flowers green, tepals 4-5mm long, pointed, lip 6mm long, obovate, notched or entire, up to forty per raceme but usually less, summer. British Columbia to Montana and California in humid forests at 1200-1500m.