Chenopodium desiccatum

A. Nelson

Bot. Gaz. 34: 362. 1902.

WeedyEndemic
Synonyms: Chenopodium leptophyllum var. oblongifolium S. Watson
Treatment appears in FNA Volume 4. Treatment on page 288. Mentioned on page 277.

Stems erect to more often spreading, usually branched from base, 1–1.4 (–6) dm, densely farinose. Leaves nonaromatic; petiole 0.3–0.4 cm; blade linear, narrowly lanceolate, oblong-elliptic, or ovatelanceolate, 3- (occasionally 1-) veined, 1.5–2.5 × 0.4–0.6 cm, 3–many times as long as wide, thick and somewhat fleshy, base cuneate, margins entire, unlobed, apex acuminate, densely white-farinose abaxially, more sparsely farinose adaxially. Inflorescences glomerules in terminal and axillary panicles; glomerules ± densely packed, flowers maturing irregularly; bracts leaflike or absent. Flowers: perianth segments 5, distinct nearly to base; lobes obovate, 0.8–1 mm, apex obtuse, carinate, densely farinose, enclosing fruit at maturity; stamens 5; stigmas 2, 0.1 mm. Utricles ovoid; pericarp nonadherent, smooth. Seeds ovoid, 8–1.1 mm diam., margins rounded; seed-coat black, warty. 2n = 18.


Phenology: Fruiting mid summer–fall.
Habitat: Originally found in open undisturbed soils, prairies, and sandy stabilized dunes, but it has spread to disturbed open areas within its native range and beyond
Elevation: 500-2000 m

Distribution

V4 540-distribution-map.gif

Alta., Sask., Calif., Colo., Idaho, Kans., Mo., Nebr., Nev., Okla., S.Dak., Tex., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"narrower" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Chenopodium desiccatum"
dehiscent +  and indehiscent +
farinose +  and white-farinose +
Carinate (?) +, Obtuse (?) +  and Acuminate (?) +
Steven E. Clemants +  and Sergei L. Mosyakin +
A. Nelson +
slippery +
aromatic +
cuneate +
thick;wide +
Leptophylla +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
unlobed +, ovatelanceolate +, oblong-elliptic +, lanceolate +  and linear +
0.4cm;0.6cm +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
Alta. +, Sask. +, Calif. +, Colo. +, Idaho +, Kans. +, Mo. +, Nebr. +, Nev. +, Okla. +, S.Dak. +, Tex. +, Utah +  and Wyo. +
500-2000 m +
hippocrepiform +  and annular +
symmetric +, or +  and uniseriate +
dehiscent +  and indehiscent +
Originally found in open undisturbed soils, prairies, and sandy stabilized dunes, but it has spread to disturbed open areas within its native range and beyond +
small white +
inflated +
sessile +  and petiolate +
nonaromatic +
not fleshy +
obovate +
not winged +  and winged +
glabrous +  and farinose +
rounded +  and cuneate +
thick;wide +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
nonadherent +
chartaceous +  and membranaceous +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Fruiting mid summer–fall. +
pointing +  and ascending +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
warty +, rugulate +  and smooth +
0.8 cm8 mm <br />0.008 m <br /> (?) +  and 0.11 cm1.1 mm <br />0.0011 m <br /> (?) +
Weedy +  and Endemic +
compound +, dense +  and loose +
cylindric +
not imbricate +
keeled +  and rounded +
opposite +  and alternate +
spreading +  and erect +
not fleshy +
filiform +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Chenopodium leptophyllum var. oblongifolium +
Chenopodium desiccatum +
Chenopodium subsect. Leptophylla +
species +
dehiscent +  and indehiscent +
glabrous +  and pubescent +
polygamous +, dioecious +  and monoecious +
not imbricate +
keeled +  and rounded +