Botanical name: Utricularia caerulea    Family: Lentibulariaceae (Bladderwort family)
Synonyms: Utricularia capillaris, Utricularia nivea, Utricularia rosea

Blue Bladderwort is a very small to medium-sized carnivorous plant, 7-30 cm high, with purple or purple-yellow-white flowers. Traps are present on stolons and leaves; ovoid, dimorphic; larger 1-1.5 mm long, mouth with long, acute beak; smaller 0.25-0.5 mm long, mouth with short tooth; mouth lateral. Flowers are borne in solitary erect racemes, 5-30 cm long, usually 1-20-flowered. Flowers are distant to congested; scales numerous, similar to bracts; bracts basisolute, 1.5-3 mm long; bracteoles about as long as bract above point of fixture. Sepals are unequal, ovate-oblong or transversely elliptic, 1.5-3 mm long. Flowers are 2-8 mm long, white or yellowish to pink, or pale to dark violet, lower lip marked with yellow; spur narrow-conical. Blue Bladderwort is found in Old World tropical regions, from India to Japan and Australia. Flowering: August-April.

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The flower labeled Blue Bladderwort is ...