Echinodorus macrophyllus (Kunth) Micheli
German / Trade Name : Großblättrige Schwertpflanze
Basionym of : Aquarius macrophyllus (Kunth) Christenh. & Byng
homotypic synonym: Echinodorus macrophyllus (Kunth) Micheli subsp. macrophyllus
homotypic synonym: Alisma macrophyllum Kunth
Occurrence:
Southern Brazil.
Morphology General habit
Perennial, consisting of rhizomes, petioles and stems glabrous to rough, up to 110 (probably more) cm
Morphology leaves
Leaves emersed, blades ovate, 7 - 11-veined, 8 - 25 cm long, 7 - 26 cm wide, without translucent markings, tip acute to pointed, base deeply heart-shaped, petioles round, furrowed, glabrous to star-shaped hairs, 20 - 45 cm long, 5 mm diameter, base with sheath up to 7 cm long
Morphology Reproductive Morphology Fruits
Fruit oblanceoloid, c. 4-ribbed, keeled, glandular, c. 2.5 mm long, 1 mm wide, glands c. 4, glands circular, between ribs, beak terminal, erect, c. 1 mm.
Morphology Reproductive morphology Inflorescences
Inflorescence racemose or paniculate, 6 - 9 whorls, each with 5 - 13 flowers, erect, protruding leaves, occasionally multiplying, up to 25 - 40 cm long and up to 20 cm wide, rachis round, glabrous to star-shaped hairs, stems round, 27 - 70 cm long, 5 mm in diameter, bracts free, lanceolate, coarse, shorter than pedicels subtended, 1 - 2 cm long, 0.4 - 0.7 mm wide, 11 - 19-veined, apex acute to acuminate, pedicels spreading inward Flower and fruit, 1.5 - 2.5 cm long, 0.6 mm diam. flowers 1.5 - 2.5 cm in diameter, sepals and corolla spreading, sepals 14 - 17-veined, 6 mm long and 4 mm wide, veins without papillae, corolla without claws, overlapping, c. 8mm long and c. 6 mm wide, stamens 20 - 24, anthers many, 1 mm long, filament c. 1.5 mm long, carpels numerous
Phenology
Flowering and fruiting from October to December.[1]
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Echinodorus macrophyllus (Kunth) Micheli[2]
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Echinodorus macrophyllus (Kunth) Micheli [3]
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Echinodorus macrophyllus (Kunth) Micheli [4]
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Echinodorus macrophyllus (Kunth) Micheli[4]
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Echinodorus macrophyllus (Kunth) Micheli[4]
