Brief Description: Herbaceous, perennial plant with white, fleshy, horizontal rhizome. Upright sprouts, simple, with height 30-60 cm. Sprout leaves, stemmed, in alternation, the lower ones compound, winged, with 1-3 pairs of lanceolate leaflets, the upper ones simple, lanceolate to linear-lanceolate, intact or serrated at the borders. At the axils of at least the upper leaves, brown-violet, ovate to spherical small bulbs are formed. Flowers in corymbs, with open violet petals. Its flowering lasts from May until July. 
Bibliography: Strid A. & Tan K. (eds) 2002. Flora Hellenica, 2. Ruggell. 
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