Poa alpina subsp. alpina

Common names: Alpine bluegrass
Treatment appears in FNA Volume 24.
Please click on the illustration for a higher resolution version.
Illustrator: Sandy Long

Copyright: Utah State University

Spikelets not bulbiferous. Anthers 1.3-2.3 mm, well-formed. 2n = 22, 23, 26, 27, 28, 28+1, 30, 31, 32, 32+1, 33, 34, 35, 36, 37, 39, 40+1, 41, 42, ca. 43, 44, 46, ca. 48, 56.

Discussion

Poa alpina subsp. alpina is the more common of the two subspecies. In the Flora region, it grows throughout the range of the species.

Selected References

None.

Lower Taxa

None.

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

... more about "Poa alpina subsp. alpina"
56 +, 48 +, 46 +, 44 +, 43 +, 42 +, 41 +, 1 +, 39 +, 37 +, 36 +, 35 +, 34 +, 33 +, 32 +, 31 +, 30 +, 28 +, 27 +, 26 +, 23 +  and 22 +
membranous +  and scarious +
puberulent +, hispidulous +, hairy +  and glabrous +
5 cm50 mm <br />0.05 m <br /> (?) +
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 +
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 +
Alpine bluegrass +
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 +
not bulbiferous +
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. alpina +
Poa alpina +
subspecies +
membranous +
parallel +  and converging +
branching +, not stoloniferous +  and not rhizomatous +
plant +  and cespitose +
aquatic +  and terrestrial +