Chenopodium cycloides

A. Nelson

Bot. Gaz. 34: 363. 1902.

IllustratedEndemic
Treatment appears in FNA Volume 4. Treatment on page 289. Mentioned on page 276, 285.

Stems erect, branched, 3–8 dm, glabrous to sparsely farinose; branches ascending. Leaves nonaromatic; petiole to 0.8 cm; blade linear, 1-veined, 1–3 × 0.1–0.2 cm, somewhat fleshy, base cuneate, margins entire, apex obtuse to acute, sparsely farinose abaxially, glabrous adaxially. Inflorescences glomerules in terminal and axillary panicles of interrupted spikes, 10–20 × 4–6 cm; glomerules widely spaced, maturing irregularly; bracts leaflike or reduced. Flowers: perianth segments (4–) 5, connate into 0.5 mm tube; lobes broadly ovate, 0.7–0.8 × 0.7–1 mm, 1/2 or less width of connate portion, apex rounded or slightly emarginate, rounded abaxially, farinose, spreading and slightly accrescent and not covering fruit at maturity; stamens 5; stigmas 2, 0.2 mm. Achenes ovoid; pericarp adherent, red, minutely tuberculate. Seeds round, 1.3–1.5 mm diam., margins acute; seed-coat black, rugulate.


Phenology: Fruiting early summer–fall.
Habitat: Open sandy areas especially around blowouts on sand dunes
Elevation: 800-1500 m

Distribution

V4 543-distribution-map.gif

Colo., Kans., Nebr., N.Mex., 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 cycloides"
dehiscent +  and indehiscent +
emarginate +  and rounded +
farinose +  and glabrous +
Rounded (?) +, Obtuse (?) +  and Acute (?) +
accrescent +
Steven E. Clemants +  and Sergei L. Mosyakin +
A. Nelson +
slippery +
aromatic +
cuneate +
Leptophylla +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
flattened +, rhombic +, trullate +, triangular +, ovate +, lanceolate +, oblong +  and linear +
0.1cm;0.2cm +
persistent +  and deciduous +
reduced +
reddish-brown +, black +, brown +  and green +
Colo. +, Kans. +, Nebr. +, N.Mex. +  and Tex. +
800-1500 m +
hippocrepiform +  and annular +
symmetric +, or +  and uniseriate +
dehiscent +  and indehiscent +
Open sandy areas especially around blowouts on sand dunes +
small white +
inflated +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
sessile +  and petiolate +
nonaromatic +
not fleshy +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
? (?) +  and ? (?) +
0.7mm;1mm +
not winged +  and winged +
glabrous +  and farinose +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
tuberculate +
chartaceous +  and membranaceous +
0 cm0 mm <br />0 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Fruiting early summer–fall. +
pointing +  and ascending +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
0.13 cm1.3 mm <br />0.0013 m <br /> (?) +  and 0.15 cm1.5 mm <br />0.0015 m <br /> (?) +
Illustrated +  and Endemic +
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 cycloides +
Chenopodium subsect. Leptophylla +
species +
0.5 cm5 mm <br />0.005 m <br /> (?) +
dehiscent +  and indehiscent +
glabrous +  and pubescent +
polygamous +, dioecious +  and monoecious +
not imbricate +
keeled +  and rounded +