Chenopodium pallescens

Standley in N. L. Britton et al.

in N. L. Britton et al., N. Amer. Fl. 21: 15. 1916.

Endemic
Treatment appears in FNA Volume 4. Treatment on page 289. Mentioned on page 276.

Stems erect, much-branched from shortly above base, 3–6.5 dm, glabrate or sparsely and finely farinose; branches ascending to spreading. Leaves nonaromatic; blade linear, 1-veined, 1–3.5 × 0.1–0.3 cm, somewhat fleshy, cuneate, margins entire, apex obtuse to acute, glabrate or sparsely farinose abaxially. Inflorescences glomerules in terminal and axillary panicles or cymes of spikes, 4–9 × 5–9 cm; glomerules widely spaced, maturing irregularly; bracts leaflike. Flowers: perianth segments 5, distinct nearly to base; lobes ovate, 0.9–1.1 × 0.9–1.1 mm, apex acute to rounded, carinate, slightly farinose, completely enclosing fruit; stamens 5; stigmas 2, 0.1 mm. Achenes ovoid; pericarp adherent, black, finely tuberculate. Seeds round, 1.4–1.6 mm diam., margins rounded; seed-coat black, rugulate. 2n = 18.


Phenology: Fruiting early–late summer.
Habitat: Open stony or sandy wastelands
Elevation: 200-1100 m

Distribution

V4 545-distribution-map.gif

Ark., Ill., Ind., Kans., Mo., N.Mex., Okla., Tex.

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 pallescens"
dehiscent +  and indehiscent +
farinose +  and glabrate +
Carinate (?) +, Acute (?) +  and Rounded (?) +
Steven E. Clemants +  and Sergei L. Mosyakin +
Standley in N. L. Britton et al. +
slippery +
aromatic +
acute to truncate +
Leptophylla +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
cuneate +
0.1cm;0.3cm +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
ascending +  and spreading +
Ark. +, Ill. +, Ind. +, Kans. +, Mo. +, N.Mex. +, Okla. +  and Tex. +
200-1100 m +
hippocrepiform +  and annular +
symmetric +, or +  and uniseriate +
dehiscent +  and indehiscent +
Open stony or sandy wastelands +
small white +
inflated +
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
5 cm50 mm <br />0.05 m <br /> (9 cm90 mm <br />0.09 m <br />) +
sessile +  and petiolate +
nonaromatic +
not fleshy +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
0.9mm;1.1mm +
not winged +  and winged +
glabrous +  and farinose +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
tuberculate +
chartaceous +  and membranaceous +
Fruiting early–late summer. +
in N. L. Britton et al., N. Amer. Fl. +
pointing +  and ascending +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
0.14 cm1.4 mm <br />0.0014 m <br /> (?) +  and 0.16 cm1.6 mm <br />0.0016 m <br /> (?) +
compound +, dense +  and loose +
cylindric +
not imbricate +
keeled +  and rounded +
much-branched +
opposite +  and alternate +
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 pallescens +
Chenopodium subsect. Leptophylla +
species +
dehiscent +  and indehiscent +
glabrous +  and pubescent +
polygamous +, dioecious +  and monoecious +
not imbricate +
keeled +  and rounded +