Flora of North America species comparison

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Atriplex parishii

Atriplex coronata

Parish's brittlescale, Parish's saltbush, Parrish's brittlescale

crownscale, wedgescale
Habit Herbs, erect or spreading to prostrate, 0.5–3 dm; branches almost horizontal to ascending, fragile, white scurfy or villous (in var. parishii). Herbs, erect or decumbent, 0.5–6 dm; branches terete, fructiferous almost to base, scurfy when young.
Leaves

numerous, all or nearly all opposite or almost all alternate, distal ones imbricate or widely separated, tending to recurve;

blade lanceolate to ovate, (2–)4–10 × 3–8 mm, rigid, base mostly rounded to cordate, margin entire, gray to white, densely scurfy (or hairy).

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

mostly in distal axils pistillate in proximal axils, or mostly in terminal spike (var. persistens), or partly so (var. subtilis).

Seeds

dark brown or almost black, 0.8–1.5 mm.

light brown to amber, 1–1.5 mm.
Fruiting

bracteoles sessile, ovate or rhombic, slightly compressed to thickened, 2–3.5(–4) mm and about as broad or sometimes broader, often subhastately lobed, united 1/2 of length, entire or with few teeth on each side, tuberculate on 1 or both faces.

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

= 36.

Atriplex parishii

Atriplex coronata
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 5 (5 in the flora).

The Atriplex parishii complex consists of a series of microphyllous, low clump-forming annuals apparently disjunct from each other in the Central Valley of California and in near coastal southern California. Often they occupy vernal pools that dry as the season progresses; the substrates in all cases evidently are saline or alkaline, or both. For the most part, the bracteate distal leaves are cordate to rounded at the base, and spreading to spreading-ascending, and the fruiting bracteoles are mainly less than 3.5 mm in length.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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. Fruiting bracteoles persistent, ± thickened and/or tuberculate on 1 or both faces
→ 2
1. Fruiting bracteoles deciduous, compressed, faces smooth or tuberculate
→ 3
2. Stems, even in inflorescences, mainly over 1.5 mm thick; staminate flowers borne mainly in terminal spikes; fruiting bracteoles 2.5-3.5(-4) mm; Colusa, Glenn, Merced, Solano, Stanislaus, and Tulare counties.
var. persistens
2. Stems all or at least above, filiform, less than 1.5 mm thick; staminate flowers borne mainly in axillary glomerules, only sometimes somewhat spicate; fruiting bracteoles 2.4-2.8 mm; Fresno, Kings, Kern, Madera, and Tulare counties
var. subtilis
3. Plants with elongate slender hairs in inflorescences; foliose bracts of inflorescence spreading, tips ± recurved; plants of Los Angeles (or Orange), Riverside, and San Diego counties
var. parishii
3. Plants merely scurfy in inflorescences; foliose bracts of inflorescence spreading-ascending, tips not or not especially recurved
→ 4
4. Leaves all or mainly opposite, 3-7 mm; fruiting bracteoles with appendages not in rows, on abaxial surface only; Glenn, Solano, and Yolo counties
var. depressa
4. Leaves all or mainly alternate, 4-10 mm; fruiting bracteoles with faces smooth; Tulare and Kern counties
var. minuscula
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. 356. FNA vol. 4.
Parent taxa Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Pusillae 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. 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
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. parishii var. depressa, A. parishii var. minuscula, A. parishii var. parishii, A. parishii var. persistens, A. parishii var. subtilis
A. coronata var. coronata, A. coronata var. notatior, A. coronata var. vallicola
Synonyms Obione parishii A. elegans var. coronata, Obione coronata
Name authority S. Watson: Proc. Amer. Acad. Arts 17: 377. (1882) 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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