Utricularia arcuata - Sickle-Spur Bladderwort

Sickle-Spur Bladderwort is a small herb with glandular rhizoids up to 2 cm long and about 0.5 mm thick at base, and branched runners up to 3 cm long. Flowers are borne atop a up to 25 cm long stem, about 1 mm thick and 1-7-flowered. Flowers are up to 1.4 cm long, blue-purple with a white base and yellow throat. Flower-stalks are up to 1.2 cm long, winged, erect in flower and recurved in fruit. Upper sepal is 3.5-4 x 3.5-4 mm, enlarging to 5-5.5 x 5-6 mm in fruit; lower sepal 3.2-4 x 2.7-4 mm, enlarging to 5-5.5 x 4.8-5.2 mm. Upper lip is about 5.5 x 4 mm; lower lip 0.8-1.5 cm across, hairy in throat; spur 0.9-1.2 cm, sickle-shaped. Foliar organs are spoon-shaped, up to 7.5 x 2 mm, 3-nerved and rounded at tip. Traps are about 1 mm across, nearly spherical and slightly compressed, with a basal mouth and 2 glandular, needle-tipped appendages. Capsules are 3-4 x 2.3-3 mm. Sickle-Spur Bladderwort is endemic to the northern part of Western Ghats. Flowering: August-October.