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

Malaxis paludosa (L.) Sw.
bog adder's-mouth orchid
Orchidaceae (Orchid family)

Introduction to Vascular Plants

© Mike Miller  Email the photographer   (Photo ID #30207)

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Distribution of Malaxis paludosa
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Species Information

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Perennial herb from a bulblike bases (corms), with a few fibrous roots, the old corms often persisting, new corms forming in axils of leaves; stems 5-20 cm tall, leafless, slender, smooth, angled above.
Two to 5 in a basal cluster, elliptic or egg-shaped, 1-3 cm long, pale green, the base broadly sheathing.
Inflorescence a several- to many-flowered, terminal, spikelike raceme, the flowers small, yellowish-green; sepals 2-2.5 mm long, narrowly egg-shaped, the middle one drooping, the lateral 2 erect; petals 1-1.5 mm long, oblanceolate; lip erect, 1-2 mm long, egg-shaped, green-veined; column about 0.3 mm long.
Capsules, egg-shaped, 4-6 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Bogs and muskegs in the lowland and montane zones; rare in WC BC, near the coast and in C BC; circumpolar, N to AK and NT, E to ON and S to MN; Eurasia.

Source: The Illustrated Flora of British Columbia


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

Hammarbya paludosa (L.) Kuntze

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References