Difference between revisions of "Trichophorum alpinum"
Syn. Pl. 1: 70. 1805.
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Revision as of 19:08, 24 September 2019
Plants densely cespitose; rhizomes arching, short. Culms trigonous, 10–40 cm, scabrous proximal to inflorescence. Leaves: basal sheaths gray-brown; distal leaf sheaths concave at mouth; blades 6–9 × 0.4–0.5 mm, much shorter than culms at flowering and fruiting. Inflorescences: spikelets 15–20-flowered, 5.4–8 × 2.2–3.5 mm; bracts equaling or shorter than spikelets, 4.5–7.8 mm, apex mucronate or awned, awn to 3 mm. Spikelets: scales yellow-brown, apex obtuse. Flowers: perianth bristles 6, white, flattened, exceeding achenes by as much as 20 times, smooth; anthers 1.1–1.6 mm. Achenes plano-convex, 1.2–1.6 × 0.5–0.8 mm. 2n = 58.
Phenology: Fruiting summer (Jun–Aug).
Habitat: Open or shaded, wet, peaty or gravelly fens, bogs, sheltered banks of lakes, ponds, and streams, tending to occur on lime-rich substrates
Elevation: 0–1400 m
Distribution
Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Sask., Yukon, Alaska, Conn., Maine, Mass., Mich., Minn., Mont., N.H., N.J., N.Y., Vt., Wis., Europe, c Asia (Kamchatka).
Discussion
Selected References
None.