Difference between revisions of "Myosurus apetalus"
Fl. Chil. 1: 31. 1845.
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Latest revision as of 17:58, 6 November 2020
Herbs, 1.5-12.5 cm. Leaf blades linear or narrowly oblanceolate, 0.9-4 cm. Inflorescences: scapes 0.9-10.5 cm. Flowers: sepals 1-3-veined, scarious margins narrow or broad; petal claw 1-2 times as long as blade. Heads of achenes 4-26 × 1.5-2 mm, exserted beyond leaves. Achenes: outer face narrowly rhombic to elliptic or oblong, 1-2.2 × 0.4-1 mm, 2-5 times as high as wide, not bordered; beak 0.6-1.4 mm, 0.4-1 times as long as body of achene, diverging from outer face of achene, heads of achenes thus strongly roughened by projecting achene beaks.
Distribution
Alta., B.C., Sask., Ariz., Calif., Colo., Idaho, Mont., N.Dak., N.Mex., Nev., Oreg., Utah, Wash., Wyo.
Discussion
Varieties 3 (2 in the flora).
The illegitimate names Myosurus aristatus Bentham ex Hooker and M. minimus var. aristatus (Bentham ex Hooker) B. Boivin have been used for this species.
The Navaho-Ramah used Myosurus apetalus medicinally as a life medicine and as a protection against witches (D.E. Moerman 1986, citing M. aristatus).
Selected References
None.
Key
| 1 | Heads of achenes 4–9 mm; sepals 1-veined, scarious margins broad. | Myosurus apetalus var. borealis |
| 1 | Heads of achenes 11–26 mm; sepals faintly 3-veined, scarious margins narrow. | Myosurus apetalus var. montanus |