Rhizomes unbranched, erect, ovoid; stolons absent. Leaves: petiole glabrous. Leaf blade abaxially purple, adaxially green, ovate to nearly orbiculate, 8-20(-30) × 7-16(-25) cm, margins entire to sinuate; venation radiate and prominent centrally, without weblike pattern, compressed upon drying, principal veins 9-17; surfaces glabrous. Flowers emersed, 6-13 cm diam., opening and closing diurnally, only sepals and outermost petals in distinct whorls of 4; sepals green, abaxially flecked with short dark lines, faintly to obscurely veined, lines of insertion on receptacle not prominent; petals 8-27, pale violet to nearly white; stamens 55-145, yellow, connective appendage projecting to 1 mm, rarely more, beyond anther; filaments mostly widest above middle, shorter than anthers; pistil 12-20(-25)-locular, appendages at margin of stigmatic disk triangular, 1 mm or less. Seeds nearly globose, ca. 1.1-1.6 × 0.9-1.3 mm, 1.1-1.3 times as long as broad, with short appressed papillae absent or to 30 µm.
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A waterlily. The leaves are green on top but freckled purple. Under the leaves they are red or purple. The veins are green. The leaf is longer than wide. It is 15-20 cm wide. The join of the leaf forms an open V. The leaves with stalks spread 1.2 m wide. The flowers are a pale blue. The flowers are 8-13 cm across.
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