Myosurus cupulatus

S. Watson

Proc. Amer. Acad. Arts 17: 362. 1882.

Illustrated
Treatment appears in FNA Volume 3.

Herbs, 3.3-16 cm. Leaf-blades linear or very narrowly oblanceolate, 1.8-9.5 cm. Inflorescences: scapes 2.2-12 cm. Flowers: sepals faintly 3-veined, scarious margins narrow or absent; petal claw 1-3 times as long as blade. Heads of achenes 13-42 × 2-3 mm, long-exserted from leaves. Achenes: outer face orbiculate or sometimes square, 0.8-1.2 × 0.6-1 mm, 0.8-1.2 times as high as wide, bordered by prominent ridge; beak 0.6-1.2 mm, 0.6-1.2 times as long as body of achene body, weakly divergent from outer face of achene, heads of achenes thus roughened by projecting achene beaks. 2n=16.


Phenology: Flowering late winter–spring (Mar–May).
Habitat: Dry hillsides or canyon bottoms in shrubland
Elevation: 350-1800 m

Distribution

V3 54-distribution-map.gif

Ariz., Calif., Colo., Nev., N.Mex., Tex., Utah, Mexico (Baja California and Sonora)

Discussion

The Navaho-Ramah used Myosurus cupulatus medicinally both externally and internally as an aid for ant bites or swallowing an ant (D.E. Moerman 1986).

Selected References

None.

Lower Taxa

None.
... more about "Myosurus cupulatus"
Alan T. Whittemore +
S. Watson +
cuneate +, truncate +  and cordate +
straight +
0.6-1.2 times as long as body +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
oblanceolate +
globose;cylindric +
Ariz. +, Calif. +, Colo. +, Nev. +, N.Mex. +, Tex. +, Utah +  and Mexico (Baja California and Sonora) +
350-1800 m +
sessile +  and pedicellate +
showy +  and inconspicuous +
sessile +  and aggregate +
Dry hillsides or canyon bottoms in shrubland +
1.3 cm13 mm <br />0.013 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
long-exserted +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
axillary +  and terminal +
whorled +, opposite +  and alternate +
tapering +  and filiform +
palmate +  and pinnate +
incised;toothed;incised;toothed;entire +
0.8-1.2 times as high as wide +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
1-3 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 winter–spring (Mar–May). +
10 +  and 400 +
Proc. Amer. Acad. Arts +
2.2 cm22 mm <br />0.022 m <br /> (12 cm120 mm <br />0.12 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 +
Illustrated +
persistent +
Myosurus cupulatus +
Myosurus +
species +
herbaceous +  and woody +