Perennial up to 30 cm tall. Stem erect, simple, sometimes with few branches, sparsely to densely vinous. Basal leaves elliptic-oblong to oblanceolate, 30-50 x 15-30 mm. Cauline leaves oblanceolate, sometimes lanceolate-obtuse, apiculate, uppermost ones similar but smaller and sessile. Inflorescence in flower short and crowded, in fruit loose and elongated, with fruiting calyx up to 16 mm apart. Fruiting pedicel exceeding calyx length. Calyx ½ to ¾th partite into lanceolate lobes, covered with spreading hairs, those on the lower connate part uncinate, base gradually (not abruptly) tapering, in fruit wide open. Corolla limb 5-7 mm broad; blue or bluish-purple. Nutlets c. 1.5 mm, oblong, upper half keeled vent-rally, acutish at tip with a narrow margin all around, blackish-brown, smooth and shiny.
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