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American Wintergreen

Pyrola americana G. Don

Comprehensive Description

provided by North American Flora
Pyrola americana Sweet, Hort. Brit. ed. 2. 341. 1830
pyrola rotundifoUcL Michx. Fl. Bor. Am. 1: 251. 1803. Not P. rotundifoUa L. 1753.
Pyrola obovata Bertol. Novi Comm. Acad. Bonon. 6: 427. 1844.
Thelaia asarifolia Alef. Linnaea 28: 54, in part. 1856. Not Pyrola asarifolia Michx. 1803.
Perennial, with a slender rootstock; stem above groimd 1-3 cm. long; petioles 3-10 cm. long; leaf -blades suborbicular, obovate, or oval, tapering at the base, rounded or retuse at the apex, 2.5-8 cm. long, 2.5-7 cm. wide, entire or crenulate, thick, dark-green above, paler or reddish beneath; scape with 1-3 scales, including the inflorescence 2-3 dm. high; bracts lanceolate, 7-8 mm. long, shorter than the pedicels; sepals lanceolate, 3-3.5 mm. long, about twice as long as broad, acute; petals whitish, rounded-obovate, about 7 mm. long; filaments dilated below; anthers nearly 3 mm. long, cuspidate at the distal end; tubes short, curved; fruit depressedglobose, 6-7 mm. broad.
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Type locality : Canada.
Distribution: Woods, from Nova Scotia to North Carolina, Kentucky, and Wisconsin.
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bibliographic citation
John Kunkel Small, NathanieI Lord Britton, Per Axel Rydberg, LeRoy Abrams. 1914. ERICALES, CLETHRACEAE, LENNOACEAE, PTROLACEAE, MONOTROPACEAE, ERICACEAE, UVA-URSI. North American flora. vol 29(1). New York Botanical Garden, New York, NY
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North American Flora

Pyrola americana

provided by wikipedia EN

Pyrola americana, the American wintergreen, is a plant species native to Canada and the United States. It has been reported from every Canadian province from Newfoundland to Manitoba, as well as from St. Pierre & Miquelon plus the northeastern US from Maine south along the Appalachian Mountains to extreme northeastern Tennessee. It also occurs in all the Great Lakes states and in the Black Hills of South Dakota. It grows in moist forests up to an elevation of 2100 m.[3][4]

Pyrola americana is a small herb rarely more than 4 cm tall, spreading by means of underground rhizomes. Leaves are round to egg-shaped, up to 8 cm long, usually dark green with whitish tissue along the veins. Flowers are white to pinkish. Fruit is a dry capsule about 4 mm across.[3][5][6][7][8][9]

References

  1. ^ Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 668.
  2. ^ Tropicos
  3. ^ a b Flora of North America v 8 p 380
  4. ^ BONAP (Biota of North America Project) floristic synthesis, Pyrola americana
  5. ^ Sweet, Robert. 1830. Hortus Britannicus, ed. 2 341.
  6. ^ Křísa, Bohdan. 1966. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 85(4): 628.
  7. ^ Fernald, Merritt Lyndon. 1920. Rhodora 22(259): 122.
  8. ^ Fernald, M. 1950. Gray's Manual of Botany (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
  9. ^ Connecticut Botanical Society
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Pyrola americana: Brief Summary

provided by wikipedia EN

Pyrola americana, the American wintergreen, is a plant species native to Canada and the United States. It has been reported from every Canadian province from Newfoundland to Manitoba, as well as from St. Pierre & Miquelon plus the northeastern US from Maine south along the Appalachian Mountains to extreme northeastern Tennessee. It also occurs in all the Great Lakes states and in the Black Hills of South Dakota. It grows in moist forests up to an elevation of 2100 m.

Pyrola americana is a small herb rarely more than 4 cm tall, spreading by means of underground rhizomes. Leaves are round to egg-shaped, up to 8 cm long, usually dark green with whitish tissue along the veins. Flowers are white to pinkish. Fruit is a dry capsule about 4 mm across.

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