Cinclidium stygium

Swartz

J. Bot. (Schrader) 1801(1): 27, plate 2. 1803.

Illustrated
Treatment appears in FNA Volume 28. Treatment on page 218. Mentioned on page 217.

Plants 3–8 (–13) cm. Stems dark-brown. Leaves reddish green, reddish-brown, or black when old, spreading, ± flat, not strongly reflexed when moist, broadly elliptic, ovate, obovate, or rarely ± orbicular, (2.5–) 3.5–4.5 (–6) mm; base short-decurrent, occasionally not decurrent; margins narrowly to broadly recurved or rarely nearly plane, 1-stratose; apex obtuse or rounded, sometimes acuminate or acute, apiculate or cuspidate, apiculus sharp, cusp usually toothed; costa percurrent, excurrent, or rarely subpercurrent; medial laminal cells elongate, (50–) 60–75 (–100) µm, in diagonal rows, not collenchymatous; marginal cells short-linear or linear, in (2–) 3–4 rows. Sexual condition synoicous. Seta yellowish, 4–7 cm. Capsule yellowish, ovate-elliptic, 2–3 mm. Spores 25–70 µm.


Phenology: Capsules mature summer.
Habitat: Fens, alpine seeps, in shoreline pools
Elevation: low to moderate elevations

Distribution

V28 348-distribution-map.gif

Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Maine, Mich., Minn., Mont., N.Y., Wyo., South America, Europe, Asia

Discussion

Cinclidium stygium is often hidden among other mosses and sedges on wet soils. The species is distinguished by its broadly elliptic, ovate, or obovate leaves often with a sharp, squarrose apiculus or cusp.

Selected References

None.

Lower Taxa

None.
... more about "Cinclidium stygium"
blackish +, orange-yellow +, reddish-brown +, yellowish-brown +, yellowish green +, red +, brown +  and yellow +
cuspidate +  and apiculate +
Acute (?) +, Acuminate (?) +, Rounded (?) +  and Obtuse (?) +
Terry T. McIntosh +  and Steven G. Newmaster +
Swartz +
u--shaped +
short-decurrent +
decurrent +
cucullate +
ovate-elliptic +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
undifferentiated +
2 (?) +  and 1 (?) +
nodulose +
excurrent +  and percurrent +
subpercurrent +
toothed +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Maine +, Mich. +, Minn. +, Mont. +, N.Y. +, Wyo. +, South America +, Europe +  and Asia +
low to moderate elevations +
greenish yellow +
lanceolate-acuminate +
Fens, alpine seeps, in shoreline pools +
crowded +  and distant +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
black +, reddish-brown +  and reddish green +
orbicular +, obovate +, ovate +  and elliptic +
larger +  and small +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
reddish-brown +, brown +  and green +
synoicous +  and sexual +
rectangular +, rhomboidal +  and linear +
hemispheric +
Capsules mature summer. +
J. Bot. (Schrader) +
smaller +  and larger +
flexuose +
elongate +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Illustrated +
spheric +
not dendroid +, branching +  and simple +
dark-brown +
Cinclidium stygium +
Cinclidium +
species +
blunt +  and sharp +
collenchymatous +