Difference between revisions of "Eriophorum angustifolium"

Honckeny

Verz. Gew. Teutschl., 153. 1782.

Illustrated
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Latest revision as of 18:34, 6 November 2020

Plants colonial from long-creeping rhizomes. Culms to 100 cm × (0.8–)1–1.2 mm distally. Leaves: blades flat, tip trigonous, channeled in cross section, to 40 cm × 1.5–6(–8) mm; distal leaf blade much longer than sheath. Inflorescences: blade-bearing involucral bracts 1–3, proximally blade, often sheath black, leaflike, longest 1–12 cm. Spikelets (1–)2–10, in subumbels, patent or pendent, ovoid, 10–20 mm in flower, 20–50 mm in fruit; peduncles 5–60 mm, smooth or scabrous; scales lanceolate or ovate, 5–10 mm, with prominent midrib fading proximal to tip, apex ± acute; proximal scales without lateral ribs. Flowers: perianth bristles 10 or more, white or pale yellow brown, 15–30 mm, smooth; anthers 2–5 mm. Achenes black, oblanceoloid, 2–5 mm.

Distribution

V23 24-distribution-map.jpg

Alta., B.C., Man., N.B., N.S., N.W.T., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Colo., Idaho, Ill., Ind., Iowa, Maine, Mich., Minn., Mont., N.Dak., N.Mex., N.Y., Nebr., Oreg., S.Dak., Utah, Wash., Wis., Wyo., n Eurasia.

Discussion

eriophorum polystachion linnaeus is a rejected name

Subspecies 2 (2 in the flora).

Selected References

None.

Key

1 Peduncles glabrous or scabrous on angles; culms 20–100 cm. Eriophorum angustifolium subsp. angustifolium
1 Peduncles usually scabrous all around; culms not more than 30 cm. Eriophorum angustifolium subsp. triste
... more about "Eriophorum angustifolium"
Peter W. Ball +  and Daniel E. Wujek +
Honckeny +
Alta. +, B.C. +, Man. +, N.B. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Colo. +, Idaho +, Ill. +, Ind. +, Iowa +, Maine +, Mich. +, Minn. +, Mont. +, N.Dak. +, N.Mex. +, N.Y. +, Nebr. +, Oreg. +, S.Dak. +, Utah +, Wash. +, Wis. +, Wyo. +  and n Eurasia. +
Verz. Gew. Teutschl., +
Illustrated +
Eriophorum angustifolium +
Eriophorum +
species +