Flora of North America species comparison

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Atriplex semibaccata

Atriplex sect. Semibaccata

Australian saltbush, berry saltbush, creeping saltbush

Australian saltbush, berry saltbush, creeping saltbush
Habit Herbs or subshrubs, perennial, decumbent-prostrate, unarmed, mainly 0.5–8 dm and spreading to 15+ dm wide, unarmed, white scurfy when young; branches not angled. Plants annual or short-lived perennial, erect to procumbent or diffuse.
Leaves

many, alternate, subsessile or short petiolate;

blade 1-veined, spatulate or obovate to oblong or elliptic, mainly 5–30(–40) × 2–9(–12) mm, base attenuate, margin remotely dentate to subentire, apex obtuse.

with Kranz-type anatomy.
Staminate flowers

in small, terminal, leaf-bracteate glomerules 1.5 mm wide.

Pistillate flowers

solitary or in few-flowered clusters in almost all but distalmost leaves.

lacking perianth, enclosed by a pair of bracteoles.
Seeds

dimorphic: black, 1.5–1.7 mm, or brown, 2 mm.

ascending or erect;

radicle lateral.
Fruiting

bracteoles red-fleshy at maturity, sessile or short stipitate, strongly veined, rhombic, convex, 3–6.6 × 2.8–4.5 mm, united at base, margin toothed, apex obtuse to acute.

Bracteoles

distinct or united, thin or variously thickened, but not spongy, appendages tuberculate, foliaceous, inflated, spinose, or lacking, not spongy.
2n

= 18.

Atriplex semibaccata

Atriplex sect. Semibaccata
Phenology Flowering spring–early winter.
Habitat Saline waste places, along roads and sidewalks, in marshes, in various plant communities
Elevation 10-1000 m (0-3300 ft)
Distribution
from FNA
AZ; CA; DC; NM; NV; TX; UT; WA; Australia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Introduced in United States and elsewhere; Australia
[BONAP county map]
Discussion

The red-fleshy fruiting bracteoles are diagnostic of this introduced perennial, which is multi-stemmed from an often buried woody caudex.

The Australian species Atriplex muelleri Bentham is somewhat similar. It has been has reported, but not verified, in the North American flora.

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

Species ca. 36 species (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 343. FNA vol. 4, p. 342.
Parent taxa Chenopodiaceae > Atriplex > subg. Atriplex > sect. Semibaccata Chenopodiaceae > Atriplex > subg. Atriplex
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. serenana, A. spinifera, A. suberecta, A. suckleyi, A. tatarica, A. torreyi, A. truncata, A. tularensis, A. watsonii, A. wolfii, A. wrightii
Subordinate taxa
Synonyms A. flagellaris A. unranked Semibaccatae
Name authority R. Brown: Prodr., 406. (1810) (Standley) Ulbrich: in H. G. A. Engler et al., Nat. Pflanzenfam. ed. 2, 16c: 515. (1934)
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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