General:
Perennial herb from slender rhizomes, with fibrous roots; stems 5-20 cm tall, with 2 leaves, glandular-hairy above.
Leaves:
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.
Flowers:
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.
Fruits:
Capsules, spreading, egg-shaped, to 5 mm long.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Synonyms and Alternate Names:
Listera borealis Morong