Eriophorum scheuchzeri


Bot. Taschenb. 1800: 104, plate 7. 1800.

Common names: White cotton-grass linaigrette de Scheuchzer
Synonyms: Eriophorum altaicum Meinshausen Eriophorum capitatum Host Eriophorum scheuchzeri var. tenuifolium Ohwi
Treatment appears in FNA Volume 23. Treatment on page 25. Mentioned on page 21, 24.

Plants colonial from long-creeping rhizomes. Culms solitary or few together, 5–35(–70) cm, usually not more than 1 mm diam. basally; basal sheaths persistent, brown or reddish, septate-nodulose. Leaves: blades channeled or strongly involute, 3–12 cm; distal leaves usually bladeless with black-tipped sheath. Inflorescences: involucre absent. Spikelets solitary, erect, broadly obovoid to subglobose in fruit, 8–12(–40) mm; scales gray to blackish green; proximal empty scales not more than 7, ovate, 4–10 mm, midrib not reaching tip; distal scales narrower, more attenuate, margins hyaline, not more than 1 mm wide. Flowers: perianth bristles 10 or more, bright white, sometimes red-tinged, 15–30 mm, smooth; anthers 0.5–1.5 mm. Achenes narrowly oblong, 0.4–2.5 mm, apex with subulate beak. 2n = 58.

Phenology: Fruiting summer.
Habitat: Tundra, wet peat, marshy ground, peaty soils, riverbanks, lake and pond shores
Elevation: 0–3000 m


V23 29-distribution-map.jpg

Greenland, Alta., B.C., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Colo., Mont., Utah, Wash., Wyo., Eurasia.


Eriophorum scheuchzeri var. tenuifolium Ohwi does not appear to be differentiated based on the North American specimens examined.

Selected References


Lower Taxa

... more about "Eriophorum scheuchzeri"
Peter W. Ball +  and Daniel E. Wujek +
White cotton-grass +  and linaigrette de Scheuchzer +
Greenland +, Alta. +, B.C. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Colo. +, Mont. +, Utah +, Wash. +, Wyo. +  and Eurasia. +
0–3000 m +
Tundra, wet peat, marshy ground, peaty soils, riverbanks, lake and pond shores +
Fruiting summer. +
Bot. Taschenb. +
Illustrated +
Eriophorum altaicum +, Eriophorum capitatum +  and Eriophorum scheuchzeri var. tenuifolium +
Eriophorum scheuchzeri +
Eriophorum +
species +