Flora of North America species comparison

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Atriplex pacifica

Davidson's saltbush, Pacific orach, south coast saltbush, south coast saltscale
Habit Herbs, annual, prostrate, sometimes tinged red, 1–6 dm, forming tangled masses 3–10 dm diam., lightly scurfy when young.
Leaves

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 glomerules largely in distal bractless axils, thus short spicate;

calyx 5-cleft.
Pistillate flowers

in proximal axils.
Seeds

light brown, 0.8–1 mm.
Fruiting

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 pacifica
Phenology Flowering early spring–fall.
Habitat Mainly on sea bluffs
Elevation 0-100 m (0-300 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

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. 363.
Parent taxa 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. 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 microcarpa, A. ramosissima
Name authority A. Nelson: Proc. Biol. Soc. Wash., 17: 99. (1904)
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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