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truncate saltbrush, wedgescale orache

silverscale

Habit Herbs annual, monoecious, 1.5–5(9) dm, gray-farinose.
Stems

erect to ascending; much branched and spreading.

Leaves

alternate; lowermost sometimes opposite;

blades triangular-ovate or rhombic to suborbicular, 1.2–3.2 × 1–2.7 cm, bases truncate, subtruncate, subhastate, or rounded;

margins entire;

tips rounded to truncate, gray-farinose on both surfaces, sessile or short-petiolate distally to 6 mm.

Inflorescences

axillary clusters of flowers arranged in short spikes; upper clusters staminate or sometimes mixed with pistillate flowers.

Staminate flowers

perianths 4–5-lobed.

Pistillate flowers

perianths absent, enclosed by 2 bracteoles.

Seeds

monomorphic, 1–1.5 mm, brown.

Fruiting bracteoles

fused to tips; shield-shaped, 2.4–3 mm;

tips truncate with 3 shallow teeth;

faces smooth or with 1–2 short tubercles, sessile to substipitate.

2n

=18.

Atriplex truncata

Atriplex argentea

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Meadows, near lakes or streams. Flowering Jun–Aug. 300–1500 m. BR, BW, ECas, Lava, Owy. CA, ID, NV, WA; north into British Columbia, northeast to Saskatchewan, east to WY, southeast to NM. Native.

Source Flora of Oregon, volume 2, page 72
Bridget Chipman
Sibling taxa
A. argentea, A. canescens, A. confertifolia, A. dioica, A. gardneri, A. gmelinii, A. hortensis, A. hymenelytra, A. micrantha, A. patula, A. powellii, A. prostrata, A. pusilla, A. rosea
A. canescens, A. confertifolia, A. dioica, A. gardneri, A. gmelinii, A. hortensis, A. hymenelytra, A. micrantha, A. patula, A. powellii, A. prostrata, A. pusilla, A. rosea, A. truncata
Subordinate taxa
A. argentea var. hillmanii
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