Atriplex saccaria |
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sack saltbush, sack saltweed, stalk orach, stalk orache |
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Habit | Herbs, erect, forming rounded clumps. | ||||||||
Stems | mainly 0.5–4(–5) dm; stems usually branched from base, terete, stout, angled; herbage scurfy. |
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Leaves | alternate or proximalmost subopposite, short petiolate or distal ones sessile; petiole 2–5 mm; blade cordate-ovate or subreniform to ovate to deltoid-ovate or oval, mainly 6–40 × 4–30 mm, base truncate to subcordate or broadly cuneate, margin entire or in some subhastately lobed or sometimes undulate-dentate, apex acute to rounded. |
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Pistillate flowers | usually in fascicles of 1–3 in proximal axils. |
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Seeds | brownish to whitish, 1.5–2.3 mm. |
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Staminate | glomerules in distal axils or in short, naked, terminal (early deciduous) panicles; flowers with 5-parted calyx. |
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Fruiting | bracteoles monomorphic or dimorphic, larger ones on stipes (2–)4–8(–15) mm, others sessile, united at base, round-triangular or suborbicular, 4–6 mm, irregularly and coarsely dentate and with ± densely beset with flat, cristate, or hornlike appendages, smaller bracteoles (lacking or rare in var. asterocarpa) in same axils, oblong to cuneate, 3–4 mm, apex truncate, dentate only at summit, faces smooth. |
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2n | = 18. |
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Atriplex saccaria |
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Distribution |
AZ; CO; NM; UT; WY
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Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 4. | ||||||||
Parent taxa | Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Saccariae | ||||||||
Sibling taxa | |||||||||
Subordinate taxa | |||||||||
Synonyms | A. truncata var. saccaria, Obione saccaria | ||||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 9: 112. (1874) | ||||||||
Web links |