A shrub with large, cordate-ovate lvs and large terminal infl of bright-red, slightly irregular fls, the cor 1.5-2 cm, the stamens and style long-exsert, rarely escapes from cult. in our range.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.