Myosurus apetalus var. montanus

(G. R. Campbell) Whittemore

Novon 4: 78. 1994.

Endemic
Basionym: Myosurus minimus subsp. montanus G. R. Campbell Aliso 2: 394. 1952
Treatment appears in FNA Volume 3.

Flowers: sepals faintly 3-veined, scarious margins narrow. Heads of achenes 11-26 mm; outer face of achene narrowly rhombic. 2n=16.


Phenology: Flowering late spring (May–Jun).
Habitat: Wet meadows, vernal pools and sloughs, bogs, muddy shores of lakes and streams
Elevation: 1500-2900 m

Distribution

V3 1063-distribution-map.gif

Alta., Sask., Ariz., Calif., Colo., Mont., Nev., N.Mex., N.Dak., Oreg., Utah, Wyo.

Discussion

The illegitimate name Myosurus aristatus subsp. montanus (G.R. Campbell) H.Mason has been used for this taxon.

Selected References

None.

Lower Taxa

None.
Alan T. Whittemore +
(G. R. Campbell) Whittemore +
cuneate +, truncate +  and cordate +
Myosurus minimus subsp. montanus +
straight +
0.4-1 times as long as body +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (4 cm40 mm <br />0.04 m <br />) +
oblanceolate +  and linear +
globose;cylindric +
Alta. +, Sask. +, Ariz. +, Calif. +, Colo. +, Mont. +, Nev. +, N.Mex. +, N.Dak. +, Oreg. +, Utah +  and Wyo. +
1500-2900 m +
sessile +  and pedicellate +
showy +  and inconspicuous +
sessile +  and aggregate +
Wet meadows, vernal pools and sloughs, bogs, muddy shores of lakes and streams +
0.4 cm4 mm <br />0.004 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
axillary +  and terminal +
whorled +, opposite +  and alternate +
tapering +  and filiform +
palmate +  and pinnate +
incised;toothed;incised;toothed;entire +
broad;narrow +
2-5 times as high as wide +
0.1 cm1 mm <br />0.001 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
1-2 times as long as blade +
distinct +
conspicuous +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Flowering late spring (May–Jun). +
10 +  and 400 +
0.9 cm9 mm <br />0.009 m <br /> (10.5 cm105 mm <br />0.105 m <br />) +
not arillate +  and stalked +
with scarious margins;green +
not persistent +
distinct +
3 +  and 6 +
oblong +  and elliptic lanceolate or oblanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
faceted +
persistent +
Myosurus apetalus var. montanus +
Myosurus apetalus +
variety +
herbaceous +  and woody +