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beach saltbush, sea scale, whiteleaf orach

Davidson's saltbush, Pacific orach, south coast saltbush, south coast saltscale

Habit Herbs, prostrate (decumbent or procumbent), many branched, 1.5–6 dm, somewhat woody below, coarse, white scurfy. Herbs, annual, prostrate, sometimes tinged red, 1–6 dm, forming tangled masses 3–10 dm diam., lightly scurfy when young.
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.

numerous, sessile or proximal short petiolate;

blade greenish adaxially, paler abaxially, oblanceolate to spatulate-elliptic or oval, (3–)5–18 × 1–8 mm, margin entire, more scurfy abaxially.

Staminate flowers

in dense terminal spikes.

in glomerules largely in distal bractless axils, thus short spicate;

calyx 5-cleft.

Pistillate flowers

in few-flowered, axillary clusters.

in proximal axils.

Seeds

dark red-brown, 2.5–3 mm.

light brown, 0.8–1 mm.

Fruiting

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

bracteoles subsessile or stipe to 0.3 mm, suborbiculate to obovate, 1–1.5(–2) × 1.1–1.8 mm, united to middle, margin minutely 3–5-toothed at apex, otherwise entire, apex green, faces smooth or rarely tuberculate.

Atriplex leucophylla

Atriplex pacifica

Phenology Flowering spring–fall. Flowering early spring–fall.
Habitat Sea beaches, along coasts, at higher elevation inland Mainly on sea bluffs
Elevation 0-30 m (0-100 ft) 0-100 m (0-300 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; Mexico (Baja California)
[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.)

The name Atriplex ramosissima was published by Moquin-Tandon as a synonym, based on a name on a specimen in Nuttall’s herbarium.

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

Source FNA vol. 4, p. 366. FNA vol. 4, p. 363.
Parent taxa Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Leucophyllae Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Arenariae
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. 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. 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 microcarpa, A. ramosissima
Name authority (Moquin-Tandon) D. Dietrich: Syn. Pl. 5: 536. (1852) A. Nelson: Proc. Biol. Soc. Wash., 17: 99. (1904)
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