Flora of North America species comparison

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Atriplex suberecta

Atriplex coronata

peregrine saltbush, sprawling saltbush

crownscale, wedgescale
Habit Herbs, annual or perennial, sprawling to ascending, 2–6 dm, branching from densely scaly base. Herbs, erect or decumbent, 0.5–6 dm; branches terete, fructiferous almost to base, scurfy when young.
Leaves

mostly alternate, shortly petiolate;

blade narrow to broadly rhomboid, lanceolate, oblanceolate, or elliptic, (8–)12–35(–42) × 6–16 mm, thin, margin coarsely and irregularly dentate, glabrescent adaxially, somewhat scurfy abaxially.

alternate, subsessile or proximal short petiolate;

blade ascending, oblong, oblong-ovate, or lanceolate to elliptic, 5–40 × 2–10 mm, thin, base acute to obtuse, margin entire, apex acute to acuminate.
Flowers

of both sexes in small axillary glomerules, 5-merous.
Staminate flowers

in subterminal, axillary glomerules.

Pistillate flowers

in axillary glomerules.

Seeds

circular.

light brown to amber, 1–1.5 mm.
Fruiting

bracteoles sessile or on the stipe to 0.5 mm, rhombic to obovate, almost flat to convex, 2.2–4 × 1.7–2.7 mm, thin or somewhat thickened in age, connate in basal 1/2, margin entire in basal 1/2, 2–4-toothed in distal 1/2, apex acute, scurfy.

bracteoles almost sessile, broadly cuneate, 2–5 × (2–)2.5–5 mm, united to summit, truncate at summit, sides smooth or obscurely tuberculate.
2n

= 18.

= 36.

Atriplex suberecta

Atriplex coronata
Phenology Flowering summer–fall.
Habitat Disturbed places, with other ruderal weeds
Elevation 10-900 m (0-3000 ft)
Distribution
from FNA
CA; UT; Australia; naturalized South Africa [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 3 (3 in the flora).

Although placed within the Atriplex argentea species complex by P. C. Standley (1916), this taxon appears more nearly allied to A. cordulata, differing mainly in leaf shape, round-ovate or deltoid-ovate to elliptic or lanceolate (not ovate to cordate-ovate), and markedly tuberculate faces of the fruiting bracteoles.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Stems ± erect; body of fruiting bracteoles ± semicircular in profile, compressed or ± spheric; tubercles dense; marginal teeth ± equal.
var. notatior
1. Stems decumbent to ascending; body of fruiting bracteoles approaching circular or flabellate in profile, ± compressed; tubercles usually few; marginal teeth unequal
→ 2
2. Fruiting bracteoles 2-4 mm; basal branches and leaves typically opposite.
var. vallicola
2. Fruiting bracteoles (2-)4-5 mm; basal branches and leaves typically alternate
var. coronata
Source FNA vol. 4, p. 343. FNA vol. 4.
Parent taxa Chenopodiaceae > Atriplex > subg. Atriplex > sect. Semibaccata Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Pusillae
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. laciniata, 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. suckleyi, A. tatarica, A. torreyi, A. truncata, A. tularensis, A. watsonii, A. wolfii, A. wrightii
A. acanthocarpa, A. amnicola, A. argentea, A. californica, A. canescens, A. confertifolia, A. cordulata, 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. laciniata, 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
Subordinate taxa
A. coronata var. coronata, A. coronata var. notatior, A. coronata var. vallicola
Synonyms A. elegans var. coronata, Obione coronata
Name authority I. Verdoorn: Bothalia 6: 418, figs. 2, 3(2). (1954) S. Watson: Proc. Amer. Acad. Arts 9: 114. (1874)
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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