familyOrchidaceae
subfamilyOrchidaceae subfam. Orchidoideae
genusAmerorchis
speciesAmerorchis rotundifolia
Difference between revisions of "Amerorchis rotundifolia"
Ark. Bot., n. s. 7: 34. 1968.
IllustratedEndemic
Basionym: Orchis rotundifolia Banks ex Pursh Fl. Amer. Sept. 2: 588. 1814
Synonyms: Ponerorchis rotundifolia (Banks ex Pursh) Soó
Treatment appears in FNA Volume 26. Treatment on page 551.
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|special status=Illustrated;Endemic | |special status=Illustrated;Endemic | ||
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|subfamily=Orchidaceae subfam. Orchidoideae | |subfamily=Orchidaceae subfam. Orchidoideae | ||
|tribe=Orchidaceae tribe Orchideae | |tribe=Orchidaceae tribe Orchideae | ||
Latest revision as of 21:11, 5 November 2020
Plants 7–33 cm. Leaves: blades 2.7–11 × 1.2–8 cm. Inflorescences: floral bracts lanceolate to linear, 5–15 × 1–5 mm, apex acute to acuminate. Flowers showy; sepals white to pale magenta, ovate to elliptic-oblong, 6–10 × 3–4 mm; petals white to pale magenta, ovate to lance-oblong, 5–6 mm, less than 1/2 as wide; lip white, prominently magenta-spotted, rarely with broad, longitudinal, reddish bars, ovate in outline, 6–9 × 4–8 mm, lateral lobes spreading, spur conspicuous, 2/3 as long as to equaling lip, slender. Capsules erect, ellipsoid. 2n = 42.
Phenology: Flowering Jun–Jul.
Habitat: Moist, often calcareous coniferous forests, thickets, fens, tundra
Elevation: 0–1200 m
Distribution
Greenland, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Maine, Mich., Minn., Mont., N.Y., Vt., Wis., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.