Cloudberry

Rubus chamaemorus L. Sp. PI. 494. 1753
Rubus nubis S. F. Gray, Nat. Arr. Brit. PI. 2: 585. 1821. Chamaemorus norwegica Greene, Leaflets 1: 245. 1906.
A herbaceous subdioecious perennial, with creeping rootstock; stems erect, 1-3 dm. high, finely puberulent and sometimes glandular on the upper part, with scattered scales below, 1-3leaved and somewhat zig-zag above; stipules broadly ovate, obtuse or acute, finely puberulent and often glandular, 3-5 mm. long; petioles 1-6 cm. long; leaf-blades reniform, 2-6 cm. long, 3-10 cm. broad, with 3-7 rounded lobes, sparingly hairy or glabra te on both sides, palmately veined, somewhat rugose and at first strongly folded; flowers solitary at the end of the stems; sepals ovate, acute, pubescent, 6-10 mm. long, becoming somewhat longer and closing around the fruit; petals white, obovate, 8—12 mm. long, ascending or spreading; stamens numerous, in the pistillate flowers without anthers; pistils 15-20, in the staminate flowers abortive; styles in the pistillate flowers long, filiform, in the staminate ones short; fruit spheric, at first red, when ripe yellow or golden, pulpy; drupelets large, coherent; putamen about 4 mm. long, 3 mm. broad, smooth.
Type locality: Sweden, in wet swamps.
Distribution: Arctic and subarctic America, from Greenland to New Hampshire, British Columbia, and Alaska; Montauk Point, Long Island, New York; also in northern Europe and Asia;
circumpolar.