E-Flora BC: Electronic Atlas of the Flora of British Columbia

Atriplex micrantha Ledeb.
Russian orache (twoscale saltbush)
Amaranthaceae (Amaranth family)
(Previously in Chenopodiaceae)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #19681)

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Distribution of Atriplex micrantha
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Species Information

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General:
Annual herb from a taproot; stems erect, branched, 1.0-1.5 m tall.
Leaves:
Lower leaves opposite, upper leaves alternate, stalked or stalkless, triangular, 1-5 cm long, the base arrowhead shaped, smooth or toothed, covered with a whitish mealy substance below but becoming glabrous and greenish on both surfaces above.
Flowers:
Inflorescence of terminal or axillary spikes or panicles; pistillate flowers of 2 kinds, one with small bracteoles and one with large bracteoles, the bracteoles rounded and shortly long-pointed at the base, lacking teeth, 5-6 mm long, veins merging only at the base.
Fruits:
Membranous pericarps; seeds of the small bracteoles black, 1.5 mm long, erect, those of the large bracteoles brown, 2-3 mm long, erect.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry roadsides and waste places in the steppe zone; frequent in SC BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Additional Notes

"The genus Atriplex, commonly called orache, atriplex or saltbush, of the family Chenopodiaceae (the goosefoot family), comprises nearly 200 species. The genus has a worldwide distribution, occurring on all continents except Antarctica. Most of the species are halophytes of coastal or inland saline habitats; a few are widespread ruderals of disturbed ground." (Bassett et al. 1983).

References

Bassett, I. J., C. W. Crompton, J. McNeill and P. M. Taschereau. 1983. The genus Atriplex (Chenopodiaceae) in Canada. Monograph #31, Agriculture Canada, Ottawa.

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Atriplex heterosperma Bunge

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References