Dysphania chilensis

(Schrader) Mosyakin & Clemants

Ukrayins’k. Bot. Zhurn., n. s. 59: 382. 2002.

IntroducedIllustrated
Basionym: Chenopodium chilense Schrader Index Seminum (Göttingen) 1832: 2. 1832
Synonyms: Chenopodium ambrosioides var. chilense (Schrader) Spegazzini Chenopodium ambrosioides var. vagans (Standley) J. T. Howe ll
Treatment appears in FNA Volume 4. Treatment on page 270. Mentioned on page 265, 269.

Plants annual. Stems erect to ascending, branched, 4–6 dm, ± glandular-pubescent, white-villous. Leaves aromatic, distal leaves sessile; petiole 2–2.5 mm; blade lanceolate, 2–9 × 0.5–4 cm, base cuneate, margins of distal leaves shallowly dentate to sinuate-pinnatifid, apex acuminate, villous and copiously gland-dotted (rarely nearly glabrous). Inflorescences terminal and axillary spikes, 3–15 cm; glomerules globose, 1.7–2.3 mm diam.; bracts leaflike, narrowly ovate, 1–1.8 cm, apex acuminate. Flowers: perianth segments 5, connate for ca. 1/2 their length, distinct portion ovate, 0.7–1 mm, apex obtuse, rounded abaxially, villous, covering fruit at maturity; stamens 5; stigmas 3. Achenes ovoid; pericarp nonadherent, glandular. Seeds vertical, black, ovoid, 0.5–0.8 × 0.8 mm; seed-coat smooth.


Phenology: Fruiting summer–fall.
Habitat: Waste areas
Elevation: 0-100 m

Distribution

V4 491-distribution-map.gif

Introduced; Calif., Oreg., native to s South America

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Dysphania chilensis"
gland-dotted +
Rounded (?) +, Obtuse (?) +  and Acuminate (?) +
Steven E. Clemants +  and Sergei L. Mosyakin +
(Schrader) Mosyakin & Clemants +
slippery +
aromatic +
cuneate +
Chenopodium chilense +
2 cm20 mm <br />0.02 m <br /> (9 cm90 mm <br />0.09 m <br />) +
lanceolate +
0.5cm;4cm +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
Calif. +, Oreg. +  and native to s South America +
0-100 m +
symmetric +, or +  and uniseriate +
unisexual +  and bisexual +
aromatic +
glabrescent +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Waste areas +
foliose +  and linear-spicate +
spicate-paniculate +
3 cm30 mm <br />0.03 m <br /> (15 cm150 mm <br />0.15 m <br />) +
aromatic +
reduced +
not winged +  and winged +
serrate +, dentate +  and entire +
shallowly dentate +  and sinuate-pinnatifid +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
nonadherent +
membranaceous +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Fruiting summer–fall. +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Ukrayins’k. Bot. Zhurn., n. s. +
pointing +  and ascending +
basal +, median +  and position +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
smooth +  and rugose +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (?) +
Introduced +  and Illustrated +
cylindric +
opposite +  and alternate +
prostrate +  and decumbent +
erect +  and ascending +
not fleshy +
filiform +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Chenopodium ambrosioides var. chilense +  and Chenopodium ambrosioides var. vagans +
Dysphania chilensis +
Dysphania sect. Adenois +
species +
polygamous +, dioecious +  and monoecious +