Golden Bladderwort
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Golden Bladderwort
ative Photo: Thingnam Girija
Common name: Golden Bladderwort
Botanical name: Utricularia aurea    Family: Lentibulariaceae (Bladderwort family)

Golden Bladderwort is a suspended aquatic carnivorous plant. Rhizoids usually absent, stolon up to 1 m long, about 2.5 mm thick, floating below the surface of water, branched. Foliar organs semi-verticillate, repeatedly dichotomously branched, upto 6 cm long, ultimate segments capillary, terete, setulose. Traps are numerous, 2-5 mm across, ovoid or obovoid, lateral on the secondary and tertiary segments, green, turning black with age, stalked; mouth lateral, oblique; appendages usually 2 or more in number. Flower racemes arising at intervals on the stolons, up to 20 cm long; scales absent; bracts basifixed, 1-2 mm long, ovate. Flowers are up to 1.2 cm long, stalks up to 1.5 cm long, recurved and distally thickened in fruit. Sepals are nearly equal, 2-3 mm long, ovate, becoming much larger and reflexing in fruit. Flowers yellow, upper lip erect, about 5 x 4 mm, suborbicular, obtuse at apex; lower lip c. 6 x 9 mm, morel or less obovate, hairy in throat, bigibbous at base; spur more or less equal to lower lip, in length. Stamens 2; filaments curved, 1- 1.5 mm long. Ovary ovoid; stigma 2-lipped. Capsule up to 5 mm across, globose with a long beak, circumscissile. Seeds disk-shaped, angular, margin winged. Golden Bladderwort is found in Indo-Malesia to Australia and East Asia.

Identification credit: Siddarth Machado Photographed in Imphal, Manipur & Sirsi, Karnataka.

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