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Chenopodium leptophyllum (Moq.) Nutt. ex S. Wats.
Family: Amaranthaceae
narrowleaf goosefoot,  more...
[Chenopodium album var. leptophyllum Moq.]
Chenopodium leptophyllum image
Max Licher  
Stems erect or occasionally semierect, usually branching from base, 1-4 dm, farinose to densely farinose. Leaves nonaromatic; petiole to 0.5 cm; blade linear, 1-veined, 0.7-2.6(-3) × 0.1-0.3 cm, usually somewhat fleshy, base cuneate, margins entire, apex obtuse, densely farinose abaxially. Inflorescences glomerules in terminal and axillary panicle; glomerules widely spaced, maturing irregularly; bracts leaflike in proximal part of inflorescence and linear to 2 × 0.1 mm on terminal branches. Flowers: perianth segments 5, distinct nearly to base; lobes lanceolate to elliptic, 0.8-1 × 0.5-0.6 mm, apex obtuse to rounded, prominently keeled abaxially, densely farinose, covering fruit at maturity; stamens 5; stigmas 2, 0.1 mm. Achenes ovoid; pericarp adherent, smooth. Seeds ovoid, 0.9-1.1 mm diam., margins round; seed coat black, finely rugulate. 2n = 18. Fruiting mid summer-early fall. Open, often disturbed sandy areas and fields; 400-3400 m; Alta., B.C., Sask., Yukon; Alaska, Ariz., Calif., Colo., Idaho, Maine, Nev., N.Mex., Okla., Oreg., Tex., Utah, Wash., Wyo. This species is reported also for Kansas and Montana but we have not seen any specimens.

Similar in aspect to no. 18 [Chenopodium pratericola Rydb.], but the lvs narrower, linear or lance-linear, entire, somewhat fleshy, 1-nerved, mostly 2-4 cm נ2-4 mm; pericarp firmly attached to the seed, seed ca 1 mm wide or less. 2n=18. Widespread in dry ground in w. U.S., and occasionally found in disturbed sites toward the w. margin of our range. (C. pallescens; C. subglabrum)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
FNA 2004
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Native annual; 20-60 cm tall; erect; 1 to few stems; often branched. Leaves: Leaves linear to narrowly lanceolate; powdery/mealy below; less so above; 1-nerved. Flowers: Flowers inconspicuous, in spike-like clusters. Fruits: Small utricle (+/-1mm). Ecology: Open, gravelly soils, shrubland, and coniferous forests from 5,000-7,000 ft (1525-2135 m); throughout western United States; flowers August-September. Distribution: Most of western N. Amer., from Saskatchewan west to B.C. south to CA and west to NM; south to c MEX.; also in Europe and E. Asia. Notes: Very similar to C. desiccatum and C. hians. Distinguished by being a densely powdery annual with linear, entire-margined 1-nerved leaves; the coat over the seed (pericarp) sticking to the seed, which is smooth and not honeycombed. Host plant for Western Pygmy Blue butterfly. Ethnobotany: Apache and Zuni eat young plants raw or cooked. Seed flour used by Apache, Hopi, and Zuni for bread or corn dumplings. Etymology: Chenopodium means goose foot, lepto- means thin or delicate and phylla-means leaved. Synonyms: Chenopodium album var. leptophyllum Editor: SBuckley 2010, FSCoburn 2015
Chenopodium leptophyllum image
Gregory Gust  
Chenopodium leptophyllum image
Max Licher  
Chenopodium leptophyllum image
Max Licher  
Chenopodium leptophyllum image
Max Licher  
Chenopodium leptophyllum image
Gregory Gust  
Chenopodium leptophyllum image
Gregory Gust  
Chenopodium leptophyllum image
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