Cor tubular-campanulate, the well defined tube much longer than the short, erect or apically spreading lobes; fornices narrow and elongate, erect; filaments inserted at the level of the fornices; anthers included; style elongate, shortly exserted; nutlets incurved, ventrally keeled, with a stipe-like basal attachment that fits into the otherwise flattish receptacle, the basal margin of the nutlet forming a prominent, toothed rim; broad-lvd perennials with nodding, white or ochroleucous to pink or blue fls in several or many small, sympodial, naked modified cymes. 25, Europe and Medit. reg.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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