Utricularia polygaloides Edgew., Proc. Linn. Soc. Lond. 1: 351 1847. ;
India, Sri Lanka as per POWO;
Common name: Milkwort Bladderwort
Herbs; rhizoids up to 3 cm long, c 0.5 mm thick at base, glandular, branches 1-3 mm long, papillose; stolons up to 2 cm long, glandular, sparsely branched. Foliar organs up to 12 x 0.5 mm, linear, solitary at scape base and scattered on stolons, 1-nerved, acute to obtuse at apex. Traps up to 1 mm across, globose; stalk distally thickened, glandular hairy; mouth basal; appendages 2, simple, subulate, hairy. Racemes up to 26 cm long, c 1.5 mm thick, tapering at base, terete, glabrous, up to 12 flowered; scales c. 1 mm long, basifixed, ovate to lanceolate, 1, 3- or 5-nerved, acute to obtuse at apex; bracts up to 3 mm long, basifixed, broadly ovate, 3 or 5-nerved, acute to acuminate at apex; bracteoles 1-2 mm long, basifixed, subulate, 1-nerved. Flowers up to 9 mm long. Calyx-lobes 3.3-7 x 2-4.2 mm, ovate to lanceolate; upper lobe acute to acuminate at apex; lower lobe bi-or tridentate or rarely acuminate at apex. Corolla violet with white streaks; upper lip 4-4.5 x 2-3 mm long, oblong or obovate, obtuse at apex; lower lip 5-6 x 3-4 mm, obovate, hairy in throat, raised and gibbous at base, rounded or emarginate at apex; spur more or less equal to calyx-lobe in length, conical, pointing downwards, acute at apex. Stamens 1.5-2 mm long; filaments strap-shaped, 1-nerved; anther thecae distinct. Pistil 1.5-2 mm long; ovary ovoid, compressed, slightly curved; style distinct; stigma blipped, upper lip reduced or 3-denticulate, or distinct and oblong, lower lip semiorbicular and recurved. Capsules 3-6 x 2.5-3.5 mm, ovoid, compressed, dehisce by marginally thickened vertical slits on both sides; placenta 2.5-3.2 x 2.2-2.7 mm, compressed, rectangular in outline; seeds c 0.3 mm long, ellipsoid; hilum distinct, subterminal or lateral; testa reticulate, cells elongated and finely striated within.
Wet or waterlogged sandy areas near seashores
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi)