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.
w
Type locality : Canada.
Distribution: Woods, from Nova Scotia to North Carolina, Kentucky, and Wisconsin.
- 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
