Dysphania pumilio

(R. Brown) Mosyakin & Clemants

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

Common names: Clammy goosefoot small crumbweed
IntroducedIllustrated
Basionym: Chenopodium pumilio R. Brown Prodr., 407. 1810
Synonyms: Teloxys pumilio (R. Brown) W. A. Weber
Treatment appears in FNA Volume 4. Treatment on page 274. Mentioned on page 268, 271.

Stems prostrate to suberect, much-branched to ± simple, 0.1–4.5 dm, pilose with segmented (uniseriate) hairs and sessile or stipitate glandular hairs. Leaves malodorous; petiole 0.3–1.5 cm; blade narrowly to broadly elliptic to ovate, 0.5–2.7 × 0.3–1.5 cm, somewhat reduced in inflorescence, base cuneate, apex obtuse, glandular-pilose. Inflorescences lateral cymes or glomerules; glomerules subglobose, 1.2–2.5 mm diam.; bracts leaflike, 3–4.5 mm, elliptic, margins crenate-dentate, apex obtuse. Flowers: perianth segments 5, distinct nearly to base, distinct portions narrowly elliptic to narrowly oblong, 0.6–0.7 × 0.2–0.3 mm, apex acute, normally rounded abaxially, usually glandular-pilosulose, becoming crustaceous and white in fruit; stamens absent or 1; stigmas 2. Achenes ovoid; pericarp adherent, membranaceous, slightly rugose. Seeds reddish brown, ovoid, 0.5–0.7 × 0.5–0.6 mm, margins keeled or rounded; seed coat smooth.


Phenology: Fruiting late summer–fall.
Habitat: Waste areas on rocky, sandy, or gravelly soils, sidewalks, rare in moist soils in forests
Elevation: 0-1200 m

Distribution

V4 502-distribution-map.gif

Introduced; Ark., Calif., Conn., D.C., Fla., Ga., Ill., Kans., Ky., La., Mass., Mo., Nev., N.J., N.Y., Ohio, Okla., Oreg., Pa., R.I., S.C., Tenn., Tex., Va., Wash., Wis., Australia, introduced in subtropical and warm-temperate regions.

Discussion

This species has gone under the misapplied name Chenopodium carinatum R. Brown (now 9. Dysphania carinata).

Selected References

None.

Lower Taxa

None.
... more about "Dysphania pumilio"
Steven E. Clemants +  and Sergei L. Mosyakin +
(R. Brown) Mosyakin & Clemants +
Chenopodium pumilio +
Clammy goosefoot +  and small crumbweed +
Ark. +, Calif. +, Conn. +, D.C. +, Fla. +, Ga. +, Ill. +, Kans. +, Ky. +, La. +, Mass. +, Mo. +, Nev. +, N.J. +, N.Y. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Va. +, Wash. +, Wis. +, Australia +  and introduced in subtropical and warm-temperate regions. +
0-1200 m +
Waste areas on rocky, sandy, or gravelly soils, sidewalks, rare in moist soils in forests +
Fruiting late summer–fall. +
Ukrayins’k. Bot. Zhurn., n. s. +
Introduced +  and Illustrated +
Teloxys pumilio +
Dysphania pumilio +
Dysphania sect. Orthospora +
species +