Chenopodium hians

Standley in N. L. Britton et al.

in N. L. Britton et al., N. Amer. Fl. 21: 16. 1916.

Endemic
Synonyms: Chenopodium incognitum Wahl
Treatment appears in FNA Volume 4. Treatment on page 289. Mentioned on page 277.

Stems erect, branched, 1–4.5 (–8) dm, farinose; basal branches erect, often weak; distal branches erect or nearly so, sparse. Leaves nonaromatic; petiole 0.2–0.7 cm; blade elliptic-oblong or narrowly lanceolate, 3-veined, 1–2.5 (–3) × 0.3–0.6 (–0.8) cm, base cuneate, margins entire, apex acute to rounded, densely farinose abaxially. Inflorescences glomerules in lateral spikes or panicles, 5–7 cm; glomerules densely spaced, maturing irregularly; bracts leaflike. Flowers: perianth segments 5, distinct nearly to base; lobes elliptic, oblong, or narrowly ovate, 0.8–1 × 0.6–0.8 mm, apex rounded, slightly keeled, densely farinose, erect and exposing fruit at maturity; stamens 5; stigmas 2, 0.2 mm. Achenes ovoid; pericarp adherent, minutely tuberculate. Seeds round, 1–1.4 mm diam., margins rounded; seed-coat black, rugulate. 2n = 18.


Phenology: Fruiting late summer–early fall.
Habitat: Open, dry or moist areas including prairies, pastures, sand hills, roadsides, lakeshores
Elevation: 500-3000 m

Distribution

V4 542-distribution-map.gif

Alta., B.C., Sask., Ariz., Calif., Colo., Nev., N.Mex., Oreg., Tex., Utah, Wash., 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 hians"
dehiscent +  and indehiscent +
Keeled (?) +, Rounded (?) +  and Acute (?) +
Steven E. Clemants +  and Sergei L. Mosyakin +
Standley in N. L. Britton et al. +
slippery +
aromatic +
cuneate +
Leptophylla +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
lanceolate +  and elliptic-oblong +
0.3cm;0.6cm +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
nearly +  and erect +
Alta. +, B.C. +, Sask. +, Ariz. +, Calif. +, Colo. +, Nev. +, N.Mex. +, Oreg. +, Tex. +, Utah +, Wash. +  and Wyo. +
500-3000 m +
hippocrepiform +  and annular +
symmetric +, or +  and uniseriate +
dehiscent +  and indehiscent +
Open, dry or moist areas including prairies, pastures, sand hills, roadsides, lakeshores +
small white +
inflated +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
sessile +  and petiolate +
nonaromatic +
not fleshy +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
ovate +, oblong +  and elliptic +
0.6mm;0.8mm +
not winged +  and winged +
glabrous +  and farinose +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
tuberculate +
chartaceous +  and membranaceous +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Fruiting late summer–early fall. +
in N. L. Britton et al., N. Amer. Fl. +
pointing +  and ascending +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.14 cm1.4 mm <br />0.0014 m <br /> (?) +
compound +, dense +  and loose +
cylindric +
not imbricate +
keeled +  and rounded +
opposite +  and alternate +
not fleshy +
filiform +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Chenopodium incognitum +
Chenopodium hians +
Chenopodium subsect. Leptophylla +
species +
dehiscent +  and indehiscent +
glabrous +  and pubescent +
polygamous +, dioecious +  and monoecious +
not imbricate +
keeled +  and rounded +