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    Aquarius longipetalus (Micheli) Christenh. & Byng

    Aquarius longipetalus (Micheli) Christenh. & Byng


    Basionym : Echinodorus longipetalus Micheli

    Synonym:    Echinodorus reticulatus R.R.Haynes & Holm-Niels.


    Paraguay, central Brazil and southern Suriname.


    At altitudes of 150 - 1000 m.

    Morphology General habit

    Perennial, from rhizomes, glabrous, up to 300 cm, rhizomes up to 15 cm long, 3 cm diam. Leaves emersed, leaf blade elliptic to obovate-lanceolate, 5 - 7 pseudo-pinnate veins, 30 - 80 cm long, 4 - 12 cm wide, translucent markings present as a net-like network, apex pointed, base attenuated, petioles triangular in cross-section, up to 50 cm long, 1.3 cm in diameter, base with sheath up to 13 cm long

    Morphology Reproductive morphology Fruits

    Fruit club, 3 - 4-ribbed, slightly winged, without glands, 3 - 4 mm long, 1.5 mm wide, beak end, horizontal, approx. 0.5 mm.

    Morphology Reproductive morphology Inflorescences

    Inflorescence racemes, 3 - 11 whorled, each 4 - 18-flowered, erect, exceeding the leaves, non-propagating, 25 - 70 cm long, 7 cm wide, spindles triangular in cross-section, pedicels round, up to 200 cm long, 2.5 cm Ø, bracts free, lanceolate, coarse, up to 3 cm long, 8 mm wide, 11 - 16-veined, apex acute, pedicels spreading, bent back in fruits, round, 0.3 - 4.5 cm long, 1 mm Ø . Flowers 4 - 7 cm in diameter, sepals erect, 18 - 35-veined, c. 15 mm long, c. 10 mm wide, veins without papillae, petals spreading, white, not clawed, overlapping, c. 35 mm long, c. 33 mm wide, stamens c. 40, anthers many-sided, c. 3 mm long, filaments c. 3 mm long, carpels numerous


    Flowering and fruiting from November to May[1]

    1. POWO (2021). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the internet; Abgerufen am 22. August 2021."
    2. Echinodorus bracteatus var. bracteatus Collected in Ecuador (licensed under
    3. "LY0598392" - Echinodorus longipetalus Micheli by RECOLNAT (ANR-11-INBS-0004)
    4. "BM000820350" - Echinodorus longipetalus Micheli Collected in Brazil by The Trustees of the Natural History Museum, London (licensed under
    5. Echinodorus longipetalus Micheli Collected in Paraguay by Royal Botanic Gardens, Kew (licensed under
    6. Missouri Botanical Garden. 29 Mar 2022<> Photographer: Lidia Perez de Molas CC-BY-NC-SA