Lf solitary, long-petioled, producing bulblets at the base of the lfls; lfls 3, lanceolate or lance-ovate, 3-6 cm, acute, the terminal sessile, the lateral nearly so; scape exceeding the lf; spathe 5 cm, green, obtuse; spadix prolonged into a slender naked tip surpassing the spathe. Native of Japan, adventive under Rhododendrons in s. N.Y. and N.J. Summer.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.