Poa alpina subsp. vivipara

(L.) Arcang.
Treatment appears in FNA Volume 24.
Please click on the illustration for a higher resolution version.
Illustrator: Sandy Long

Copyright: Utah State University

Spikelets all bulbiferous, or some normal and some bulbiferous. Anthers aborted late in development or not developed. 2n = 22, 24, 25, 26, 27, 28, 31, 32, 33.

Discussion

Poa alpina subsp. vivipara grows at scattered locations in Greenland, and has been reported for Alaska. It is common in alpine regions of northern and central Europe.

Selected References

None.

Lower Taxa

None.

No values specified."decumbent" is not a number.

33 +, 32 +, 31 +, 28 +, 27 +, 26 +, 25 +, 24 +  and 22 +
membranous +  and scarious +
puberulent +, hispidulous +, hairy +  and glabrous +
5 cm50 mm <br />0.05 m <br /> (?) +
not developed +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
scarious-hyaline +
Robert J. Soreng +
(L.) Arcang. +
1 (?) +  and 3 (?) +
straight +
basal +  and terminal +
keeled +  and rounded +
strigose +  and glabrous +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swollen +
swelling +
straight +
not evident +
involute +, folded +  and flat +
thick;2mm;4.5mm +
4 cm40 mm <br />0.04 m <br /> (?) +
ascending;spreading +
hispidulous +, glabrous +, smooth or +  and sparsely densely scabrous +
unbranched +  and hollow +
ascending +  and erect +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
not woody +
Colo. +, N.Mex. +, Wash. +, Utah +, Alaska +, Mich. +, Oreg. +, Mont. +, Alta. +, B.C. +, Greenland +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Wyo. +, Idaho +  and Nev. +
1/4 +  and 1/3 +
liquid +, soft +  and hard +
capillary +
pistillate +  and staminate +
sometimes longer +
3 +  and 7 +
compressed +
reduced +
1-3(5)-veined +
shorter or longer +
subtending +
keeled +, broadly lanceolate +  and narrowly ovate +
subequal +
distributed +
uncinate +
0.1 cm1 mm <br />0.001 m <br /> (?) +
0 +  and 1/6 +
Oval (?) +  and Round (?) +
milky white +  and slightly greenish +
long-villous +
5(7-11)-veined +
hairy +, glabrous +  and chartaceous +
keeled +  and lanceolate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
membranous +
erose +  and entire +
white +  and milky white or hyaline +
ciliolate +  and smooth +
lacerate +, truncate +  and acuminate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
membranous +
inconspicuous +
lobed +  and lanceolate +
milky white +  and slightly greenish +
glabrous +, scabrous +  and smooth +
concealed +  and prominent +
0 +  and 5 +
2 +  and 1 +
well-developed +
2-keeled +
subequal +
8 cm80 mm <br />0.08 m <br /> (?) +
ovoid +  and pyramidal +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
dry +  and fleshy +
sparsely softly puberulent +  and short-villous +
many +, 1 +  and 100 +
compressed +  and ovate +
0.39 cm3.9 mm <br />0.0039 m <br /> (0.62 cm6.2 mm <br />0.0062 m <br />) +
1 (?) +  and 3 (?) +
simple +  and compound +
2 (?) +  and 3 (?) +
Gramineae +
Poa alpina subsp. vivipara +
Poa alpina +
subspecies +
membranous +
parallel +  and converging +
branching +, not stoloniferous +  and not rhizomatous +
plant +  and cespitose +
aquatic +  and terrestrial +