OregonFlora species comparison

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Atriplex semibaccata

Atriplex pusilla

dwarf orache
Habit Herbs annual, monoecious, 0.5–2 dm, gray-farinose.
Stems

erect, branched throughout; somewhat spreading, often reddish and glabrate with age.
Leaves

alternate;

blades ovate to oblanceolate, 0.4–1.3 × 1.5–4.5(5.5) mm, bases cuneate;

margins entire;

tips acute, gray-farinose at least on lower surface, sessile to subsessile distally.
Inflorescences

axillary; solitary flowers or staminate flowers in pairs.
Staminate flowers

perianths (4)5-lobed.
Pistillate flowers

perianths absent, enclosed by 2 bracteoles.
Seeds

monomorphic, 0.8–1 mm, brown.
Fruiting bracteoles

similar to bracteate leaves, fused to tips; ovate, 1.2–2 mm;

margins entire;

tips acute to acuminate;

faces smooth, sessile to subsessile.

Atriplex semibaccata

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

Deserts, hillsides, valley bottoms. Flowering Jun–Jul. 1200–1500 m. BR. CA, ID, NV. Native.
Source Flora of Oregon, volume 2, page 71
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. truncata
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. rosea, A. truncata
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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