Aquarius trialatus (MicFassettheli) Christenh. & Byng
Basionym : Echinodorus trialatus Fassett[1]
Occurrence:
Panama, Colombia, Venezuela and northern Brazil.
Brazil Northeast, Colombia, Panama, Venezuela[1]
Ecology
Grows along streams under woodland. At altitudes of 50 - 250 m.
Morphology General habit
Perennial, from rhizomes, glabrous, up to 80 cm
Morphology Leaves
Leaves emersed and submersed, leaf blades linear-lanceolate, 3 - 7 pseudopinnate veins, 9 - 26 cm long, 1 - 7 cm wide, pellucid markings absent, apex acute, base attenuated, petioles triangular in cross-section, 5 - 35 cm long, 3 mm diam., base with sheath up to 10 cm long
Morphology Reproductive morphology Fruits
Fruit obovate, 4-ribbed, ovoid, 1.5 - 2 mm long, 0.9 mm wide, beak end, erect, 0.5 mm.
Morphology Reproductive morphology Inflorescences
Inflorescence racemose or paniculate, of 4 - 15 whorls, 3 - 7 flowers each, erect, protruding leaves, non-propagating, up to 30 cm long, 10 cm wide, spikelets triangular in cross-section, often broadly cleft, pedicels round, 10 - 50 cm long, 4 mm diam, bracts free, lanceolate, 1 - 2.5 cm long, 2 - 5 mm wide, 10 - 15-veined, tip long-pointed, pedicels spread out in flower, bent back in fruit, round, 2 - 7 mm long, 0.2 mm diam. flowers c. 1.2 cm diam, sepals and petals spreading, sepals 15 - 18-veined, c. 3 mm long, c. 2 mm wide, veins without papillae, petals white, without claws, not overlapping, c. 8 mm long, c. 6 mm wide, stamens 12, anthers many-sided, c. 1 mm long, filaments c. 1 mm long, carpels numerous
Phenology
Flowering and fruiting from October to April.[1]
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Echinodorus trialatus Fassett -
Echinodorus trialatus Fassett -
Echinodorus trialatus Fassett -
Echinodorus trialatus Fassett
