Cor funnelform to campanulate, regular or nearly so, 5-lobed; cal 5-lobed; stamens 4, paired, included, inserted near the base of the cor-tube; ovary 3-locular, two locules each with several abortive ovules, the third with a single functional ovule; style slender, exserted; stigma capitate; fr small, dry, indehiscent, unequally 3-locular, 1-seeded; trailing, barely woody evergreen with erect, few-lvd branches bearing a terminal 2-fld peduncle. Monospecific.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.