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

Neottia borealis
northern twayblade
Orchidaceae (Orchid family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #56230)

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Distribution of Neottia borealis
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Species Information

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Perennial herb from slender rhizomes, with fibrous roots; stems 5-20 cm tall, with 2 leaves, glandular-hairy above.
Two, near middle of stem, roughly opposite, egg-shaped to elliptic, 1-6 cm long, 0.7-3 cm wide, abruptly tapered to base, smooth.
Inflorescence a somewhat open, few-flowered, terminal raceme, the flowers green or yellowish-green; sepals broadly lanceolate, 4-7 mm long, 1-veined, distinct; petals similar to sepals, 4-6 mm long; lip 8-13 mm long, 5-7 mm wide at tip, broadly oblong, widely notched at tip, with 2 rounded lobes at base.
Capsules, spreading, egg-shaped, to 5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist coniferous forests, edges of streams and meadows in the montane to subalpine zones; infrequent in BC east of the Coast-Cascade Mountains; N to AK, YT and NT, E to PQ and S to CO, UT, ID and OR.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Listera borealis Morong

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References