Krascheninnikovia lanata

(Pursh) A. Meeuse & A. Smit

Taxon 20: 644. 1971.

Illustrated
Basionym: Diotis lanata Pursh Fl. Amer. Sept., 602. 1814
Synonyms: Ceratoides lanata (Pursh) J. T. Howell Erotia lanata (Pursh) Moquin-Tandon Erotia lanata var. subspinosa (Rydberg) Kearney & Peebles
Treatment appears in FNA Volume 4. Treatment on page 308. Mentioned on page 307.

Plants 1.5–5 dm; herbage white to brownish tomentose, some stellate hairs with 1 long ray. Leaves: petiole 1.5–3.5 mm; leaves of main-stems 1–3 (–4) × 1.5–3.5 (–5) cm; blade with midvein prominent abaxially, channeled adaxially, margins usually strongly revolute. Staminate flowers deciduous after anthesis. Fruiting bracts 4–7.5 mm, margins connate proximally. Utricles 2.5–3.5 mm, densely pubescent. 2n = 18, 36.


Phenology: Flowering May–Jul, fruiting through Sep.
Habitat: Foothills and flats, usually in relatively low-alkaline soils
Elevation: 500-2100 m

Distribution

V4 591-distribution-map.gif

Alta., Man., Sask., Yukon, Ariz., Calif., Colo., Idaho, Kans., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., Oreg., S.Dak., Tex., Utah, Wash., Wyo., n Mexico

Discussion

Krascheninnikovia lanata often forms pure stands. It occurs throughout the intermountain region except in the northwest corner of central Oregon. It is called winterfat because of its nutritional importance for domestic livestock, especially sheep.

Selected References

None.

Lower Taxa

None.
... more about "Krascheninnikovia lanata"
Noel H. Holmgren +
(Pursh) A. Meeuse & A. Smit +
slippery +
aromatic +
Diotis lanata +
channeled +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
Alta. +, Man. +, Sask. +, Yukon +, Ariz. +, Calif. +, Colo. +, Idaho +, Kans. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Okla. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wyo. +  and n Mexico +
500-2100 m +
Foothills and flats, usually in relatively low-alkaline soils +
white +  and brownish +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1cm;3cm +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
not winged +  and winged +
lobed +  and serrate-dentate +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
papery +  and chartaceous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Flowering May–Jul, fruiting through Sep. +
pointing +  and ascending +
basal +, median +  and position +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
verrucate +  and striate +
Illustrated +
cylindric +
armed +  and not jointed +
opposite +  and alternate +
succulent +
elongate +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Ceratoides lanata +, Erotia lanata +  and Erotia lanata var. subspinosa +
Krascheninnikovia lanata +
Krascheninnikovia +
species +
hornlike +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
deciduous +, evergreen +, perennial +  and annual +
dioecious +  and monoecious +