Orchidaceae
Listera cordata

Heartleaf Twayblade

Stem erect, with 2 leaves at midstem. Leaves to 1 1/2 in. long, heart-shaped. Flowers 5–15 in short spike at stem top. Flower yellow-green to brownish, with 2 petals and 3 sepals at top all the same, egg-shaped, lower petal much longer, deeply forked, with lance-shaped pointed lobes. Grows in shady damp conifer forests, along streams, in bogs, at low to mid elevations.

  • Rarity: Uncommon
  • Flowering Time: Late Spring, Early Summer
  • Life Cycle: Perennial
  • Height: 3--8 inches
  • Habitat: West-Side Forest, East-Side Forest, Coastal, Moist Riverbanks, Bog/Fen/Wetland
  • Found In: Olympic NP, Mt. Rainier NP, Wallowas, West Gorge, Crater Lake NP, N Cascades NP
  • Native: Yes