Flora of North America species comparison

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Dysphania chilensis

Chilean wormseed
Habit 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.

Dysphania chilensis
Phenology Fruiting summer–fall.
Habitat Waste areas
Elevation 0-100 m (0-300 ft)
Distribution
from FNA
CA; OR; native to s South America [Introduced in North America]
Source FNA vol. 4, p. 270.
Parent taxa Chenopodiaceae > Dysphania > sect. Adenois
Sibling taxa
D. ambrosioides, D. anthelmintica, D. aristata, D. botrys, D. carinata, D. cristata, D. graveolens, D. multifida, D. pumilio
Synonyms Chenopodium chilense, Chenopodium ambrosioides var. chilense, Chenopodium ambrosioides var. vagans
Name authority (Schrader) Mosyakin & Clemants: Ukrayins’k. Bot. Zhurn., n. s. 59: 382. (2002)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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