Eriophorum tenellum

Nuttall

Gen. N. Amer. Pl. 2: additions. 1818.

Common names: Linaigrette ténue
IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 24. Mentioned on page 22.

Plants colonial fron long-creeping rhizomes. Culms (10–) 20–90 cm × 0.5–0.8 (–1.5) mm, scabrous distally. Leaves: blades trigonous-channeled in cross-section, to 45 cm × 1–1.5 (–3) mm; distal leaf-blade 3–25 cm × 1–1.5 mm, longer than its (1–) 2.5–9 cm sheath. Inflorescences: blade-bearing involucral-bracts solitary, similar to distal leaf, blade sometimes brown proximally, 0.8–6 cm. Spikelets (1–) 2–7, in subumbels, ovoid, 7–10 mm in flower, 20–30 mm in fruit; peduncles 5–20 (–60) mm, scabrous; scales green to redbrown to almost black, sometimes with green center, ovate-elliptic, 3–4.5 mm, scarious, margins narrow, to 0.2 mm, midrib prominent, fading distally or proximal scale with 2–4 thinner or equally prominent lateral ribs, apex obtuse. Flowers: perianth bristles 10 or more, cream, 10–20 mm, smooth; anthers 1–2 mm. Achenes narrowly obovoid, 2.5–3 mm.


Phenology: Fruiting summer.
Habitat: Bogs and wet, peaty substrates
Elevation: 0–500 m

Distribution

V23 27-distribution-map.jpg

St. Pierre and Miquelon, N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Conn., Maine, Mass., Mich., N.H., N.J., N.Y., Pa., R.I., Vt.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Eriophorum tenellum"
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Peter W. Ball +  and Daniel E. Wujek +
Nuttall +
shortened +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0 cm0 mm <br />0 m <br /> (45 cm450 mm <br />0.45 m <br />) +
trigonous-channeled +
0.8 cm8 mm <br />0.008 m <br /> (?) +  and 6 cm60 mm <br />0.06 m <br /> (?) +
1mm;1.5mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
Linaigrette ténue +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
20 cm200 mm <br />0.2 m <br /> (90 cm900 mm <br />0.9 m <br />) +
terete +  and trigonous +
0.5mm;0.8mm +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (9 cm90 mm <br />0.09 m <br />) +
3 cm30 mm <br />0.03 m <br /> (25 cm250 mm <br />0.25 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
St. Pierre and Miquelon +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Conn. +, Maine +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, Pa. +, R.I. +  and Vt. +
0–500 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Bogs and wet, peaty substrates +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
cauline +  and basal +
subumbellate +  and subcapitate +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
Fruiting summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Gen. N. Amer. Pl. +
adventitious +
black +, green +  and redbrown +
basal +  and proximal +
ovate-elliptic +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
cylindric +
Illustrated +  and Endemic +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
Eriophorum tenellum +
Eriophorum +
species +
filiform +
plant +  and colonial +