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FNA | Family List | FNA Vol. 23 | Cyperaceae | Eriophorum

9. Eriophorum callitrix Chamisso, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans. 1: 203, plate 2. 1831.

Linaigrette àbelle crinière

Plants cespitose. Culms 5–20(–50) cm, smooth or rough distally. Leaves: cauline leaves 0–1, distal leaf usually proximal to mid culm, bladeless or with short blade; blade forming angle with sheath, filiform or trigonous-channeled, 0.4–1.2 mm wide. Inflorescences: involucral bracts absent or present as short blade on distal leaf. Spikelets solitary, erect, globose in fruit, 10–20 mm in flower, 15–30 mm in fruit; scales pale blackish brown, margins and tip hyaline, ovate-lanceolate, thin; proximal empty scales mostly 10–15, appressed to ascending, ovate, 5–8 mm, ribs ± to margins, midrib not reaching tip, apex acute. Flowers: perianth bristles white to very pale brown; anthers 0.6–1.2 mm. Achenes ellipsoid-obovoid, 1.8–2.1 mm. 2n = 60.

Fruiting summer. Tundra, calcareous bogs, wet places; 0–2600 m; Greenland; Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon; Alaska, Mont., Wyo.; Eurasia.

Two varieties, Eriophorum callitrix var. moravium Raymond and E. callitrix var. pallidus Hultén, have been described based on the pale brown or yellow scales. They are of very local distribution and could be of hybrid origin.


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