Minnesota Wildflowers


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Amerorchis rotundifolia (Small Round-leaved Orchid)

Plant Info
Also known as: Round-leaved Orchis
Genus:Amerorchis
Family:Orchidaceae (Orchid)
Life cycle:perennial
Origin:native
Habitat:part shade, shade; coniferous swamps, peat bogs, fens
Bloom season:June - July
Plant height:8 to 14 inches
USDA PLANTS database:Minnesota county distribution map

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Detailed Information

Flower: irregular raceme

[photo of flowers] A slender smooth raceme of 4 to 18 irregular flowers each ½ to ¾ inch wide and high, on the ends of ½ inch green ovaries with a single bract up to ¾ inch long. The upper lip is a pinkish hood. The lower lip is white with purple spots and 3-lobed, with the middle lobe largest and notched at the tip. 2 petal-like white sepals spread out at the sides with a third over the hood. A curving spur hangs down at the back. A very cheerful and merry clown-like flower with a pink hood, white drapped side arms and purple polka-dot pantaloons on.

Leaves and stem: basal simple

[photo of leaf] A single basal leaf 2 to 6 inches long, ¾ to 3½ inches wide, generally oval to elliptic, toothless, hairless, and blunted at the tip. The single flowering stem is smooth and green.

Notes:

An exciting wildflower to come upon, it is not so rare but its habitat is rarely visited. Common on the large peatlands of northwest and north-central Minnesota it is also a denizen of dark coniferous bogs of the NE

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Map of native plant purveyors in the upper midwest

More photos

Photos courtesy Peter M. Dziuk, taken on SNA lands in Cass County

Comments

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