Utricularia gibba, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 296

2. U. gibba L. , Sp. Pl. 18 (1753).

A quatic or subaquatic; stems radiating from the base of the scape; leaves unequally forked from the base, the segments capillary and again 1-3 times forked; bladders 1-1-5 mm. Inflorescence 2-8 cm; flowers 1—3(—4); scape filiform; bracts 1 mm, scarcely auriculate; pedicels 2-10 mm, erect in fruit. Corolla 5-7 mm; upper lip 3-4 mm wide, broadly ovate, obtuse, obscurely 3-crenate; lower lip with prom inent 2-gibbous palate, entire, about as long as the narrowly conical spur. Capsule globose; seeds winged. Shallow water or liquid mud. W. Portugal, S.W. Spain. Hs Lu. (Africa, S. Asia, Australia.) The above description refers to subsp. exoleta (R. Br.) P. Taylor , M itt. Bot. Staatssamm. (München) 4: 101 (1961) ( U. exoleta R. Br. ). Subsp. gibba , from America and tropical Africa, has been recorded from H ungary as a casual (as U. biflora Lam. ).