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FNA | Family List | FNA Vol. 4 | Chenopodiaceae | Monolepis

1. Monolepis nuttalliana (Schultes) Greene, Fl. Francisc. 168. 1891.

Nuttall povertyweed

Blitum nuttallianum Schultes in J. A. Schultes and J. H. Schultes, Mant. 1: 65. 1822; Monolepis chenopodioides Moquin-Tandon

Stems prostrate to ascending, 0.5-2(-5) dm, herbage sparsely farinose when young, becoming glabrate. Leaves: petiole 0.1-3(-6) cm, longest on proximal leaves, distal leaves sometimes sessile; blade of principal leaves hastately lobed near base, narrowly triangular, lanceolate, narrowly elliptic, or linear, 1-3(-4) cm × 2-15(-25) mm at lobes, base narrowly attenuate or cuneate, margins sometimes with few teeth distally, apex obtuse to rounded; distal leaves sometimes completely unlobed. Flowers: perianth segment 1, spatulate or obtuse, 1 mm; stamen 1. Utricles 1.1-1.5 mm; pericarp readily separating from seeds, whitish, membranous, cellular-reticulate. Seeds dark brown to black, laterally flattened, broadly ovoid. 2n = 18.

Flowering early spring-mid summer, fruiting through Aug. Usually moist, subalkaline clays, often in partial shade or open disturbed habitats; 100-3000 m; Alta., B.C., Man., N.W.T., Sask., Yukon; Alaska, Ariz., Calif., Colo., Idaho, Kans., Minn., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., Oreg., S.Dak., Tex., Utah, Wash., Wyo.; n Mexico.


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