Shrub to 4 dm; lvs linear, essentially glabrous, as also the sep and bracts; cor ovoid, 6-7 mm; anthers with short, broad basal appendages; 2n=24. Nantucket Isl., Mass. July, Aug.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.