Sagina nodosa subsp. borealis

G. E. Crow

Rhodora 80: 28, figs. 7, 8. 1978.

Common names: Sagine boréale
Illustrated
Synonyms: Sagina nodosa var. borealis (G. E. Crow) Cronquist
Treatment appears in FNA Volume 5. Treatment on page 142.

Stems glabrous or weakly pubescent at nodes. Basal leaf-blades glabrous. Pedicels glabrous or weakly pubescent distally. Flowers: calyx base glabrous or weakly pubescent. 2n = 56.


Phenology: Flowering mid-late summer.
Habitat: Chiefly shoreline, rock crevices, wet gravels and sands, tufts of moss along rocky coasts and shores of large lakes
Elevation: 0-300 m

Distribution

V5 290-distribution-map.gif

Greenland, Alta., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Maine, Mich., Minn., n Europe

Discussion

In populations along the shores of Lake Superior, plants sometimes occur with glandular hairs sparsely distributed on the stems, chiefly or solely at the bases of the nodes, as well as on the pedicels and calyces.

Selected References

None.

Lower Taxa

None.

"timessepallength" is not declared as a valid unit of measurement for this property.

glabrous +, glandular-pubescent +  and glandular +
Garrett E. Crow +
G. E. Crow +
glandular-pubescent +  and glabrous +
Spergula nodosa +
Laciniate (?) +, Emarginate (?) +, Jagged (?) +, 2-fid (?) +  and Entire (?) +
subulate +  and linear +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not +  and succulent +
reduced +
herbaceous +  and scarious +
pubescent +  and glabrous +
1/4 +  and 1/2 +
globose;ovoid +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
minute +
Sagine boréale +
conspicuous +
scarious +
dish--shaped +
expanded +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Greenland +, Alta. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +, Maine +, Mich. +, Minn. +  and n Europe +
0-300 m +
straight +  and curved +
central +  and peripheral +
5-merous +  and 4-merous +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
Chiefly shoreline, rock crevices, wet gravels and sands, tufts of moss along rocky coasts and shores of large lakes +
disc--shaped +  and dish +
not stipulate +  and petiolate +
connate +
subulate +
fleshy +  and succulent +
purplish +  and hyaline +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
spreading;erect +
pubescent +  and glabrous +
fugacious +
5 +  and 4 +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
Flowering mid-late summer. +
pebbled +  and smooth +
compressed +, ovoid +  and reniform +
persistent +
distinct +
5 +  and 4 +
lanceolate;elliptic or orbiculate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Illustrated +
10 (?) +  and 8 (?) +
with few-to-many lateral branches +  and simple +
procumbent +  and decumbent +
ascending;loosely spreading or prostrate +
not filiform +
subterminal +
[30 +, 5 +  and 4 +
papillate +
distinct +
5 (?) +  and 4 (?) +
list +  and count +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Sagina nodosa var. borealis +
Sagina nodosa subsp. borealis +
Sagina nodosa +
subspecies +
divided +
10 +  and 8 +
rhizomatous +  and taprooted +
glabrous +, pubescent +  and tufted +
11 +, 7 +  and 6 +