Flora of North America species comparison

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Atriplex leucophylla

Atriplex hymenelytra

beach saltbush, sea scale, whiteleaf orach

desert-holly
Habit Herbs, prostrate (decumbent or procumbent), many branched, 1.5–6 dm, somewhat woody below, coarse, white scurfy. Shrubs, dioecious, 3–15+ dm, as wide, unarmed.
Leaves

many, sometimes crowded;

blade orbiculate to ovate or ovate-lanceolate to elliptic or oblong, 8–40 × 4–18 mm, base obtuse or rounded, white scurfy.

persistent, alternate, petiolate;

blade greenish to silvery white, orbiculate to reniform or oval, 10–40 mm, as wide or wider, prominently dentate, teeth to 10 mm, permanently scurfy.
Staminate flowers

in dense terminal spikes.

yellow to purple-brown, in clusters 3–4 mm thick, borne in panicles to 3 cm.
Pistillate flowers

in few-flowered, axillary clusters.

borne in inflorescences similar to staminate ones.
Seeds

dark red-brown, 2.5–3 mm.

brown, 2 mm wide;

radicle sublateral.
Fruiting

bracteoles not compressed, 5–7 mm, faces usually with wartlike projections, scurfy.

bracteoles sessile, rather prominently veined, orbiculate to reniform, strongly compressed, 7–10 × 7–10 mm, thin, united at base, margin entire to crenate, glabrous, lacking processes.
2n

= 18.

Atriplex leucophylla

Atriplex hymenelytra
Phenology Flowering spring–fall. Flowering spring.
Habitat Sea beaches, along coasts, at higher elevation inland Warm desert shrub, on dry saline alluvial fans and hills
Elevation 0-30 m (0-100 ft) 80-1200 m (300-3900 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA; NV; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Atriplex leucophylla occurs with Potentilla, Camissonia, Ambrosia, Cakile, and Calystegia.

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

Atriplex hymenelytra occurs with saltbush, Larrea-Ambrosia, ephedra, and yucca. This is a handsome, rounded shrub with silvery white foliage, sometimes contrasting strongly with the peculiar substrates on which it grows. Its relationships to other of the southwestern species are recondite, but possibly it is allied to A. confertifolia, with which C. A. Hanson (1962) suggested an affinity.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 366. FNA vol. 4, p. 376.
Parent taxa Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Leucophyllae Chenopodiaceae > Atriplex > subg. Pterochiton
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. 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
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. 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
Synonyms Obione leucophylla Obione hymenelytra
Name authority (Moquin-Tandon) D. Dietrich: Syn. Pl. 5: 536. (1852) (Torrey) S. Watson: Proc. Amer. Acad. Arts 9: 129. (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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