Flora of North America species comparison

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Atriplex laciniata

Belgian orach, frosted orache
Habit Herbs, procumbent, many branched, alternate except basally, 0.06–3 dm.
Stems

reddish or yellowish, smooth or subangular.
Leaves

with blade ovate to lance-ovate or lanceolate to oblong, 15–45 mm, large basal lobes, obtuse, cuneate to a short petiole, margin sinuate-dentate, scurfy on both sides.
Flowers

in glomerules in distal leaf axils, axillary or in short terminal spikes.
Seeds

monomorphic, light brown, 3.5–4 mm wide;

radicle inferior.
Fruiting

bracteoles whitish green, sessile or subsessile, broadly rhombic, (4–)6–7(–8) mm, thickened at base, becoming scaly in age, cartilaginous in basal 1/2, lateral angles strongly produced and with margin mostly entire, faces smooth or irregular, pointed, or flattened and winglike tubercles in basal 1/2.
2n

= 18.

Atriplex laciniata
Phenology Flowering summer–fall.
Habitat Sand, cobble on more or less protected beaches, on Zostera and Fucus wrack
Elevation 0-50 m (0-200 ft)
Distribution
from FNA
NB; NS; PE; QC; Europe [Introduced in North America]
[BONAP county map]
Discussion

Atriplex laciniata is evidently rare in North America.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 341.
Parent taxa Chenopodiaceae > Atriplex > subg. Atriplex > sect. Sclerocalymma
Sibling taxa
A. acanthocarpa, A. amnicola, A. argentea, A. californica, A. canescens, A. confertifolia, A. cordulata, A. coronata, A. corrugata, A. coulteri, A. covillei, A. dioica, A. elegans, A. fruticulosa, A. gardneri, A. garrettii, A. glabriuscula, A. gmelinii, A. graciliflora, A. heterosperma, A. holocarpa, A. hortensis, A. hymenelytra, A. joaquiniana, A. klebergorum, A. lentiformis, A. leucophylla, A. lindleyi, A. linearis, A. littoralis, A. matamorensis, A. mucronata, A. nudicaulis, A. nummularia, A. oblongifolia, A. obovata, A. pacifica, A. parishii, A. parryi, A. patula, A. pentandra, A. phyllostegia, A. pleiantha, A. polycarpa, A. powellii, A. prostrata, A. pusilla, A. rosea, A. saccaria, A. semibaccata, A. serenana, A. spinifera, A. suberecta, A. suckleyi, A. tatarica, A. torreyi, A. truncata, A. tularensis, A. watsonii, A. wolfii, A. wrightii
Name authority Linnaeus: Sp. Pl. 2: 1053. (1753)
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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