Syn.: Alisma andrieuxii Hook. et Arn., Echinodorus subalatus subsp. andrieuxii (Hook. et Arn. ) R. R. Haynes et Holm-Niels.
Family: Alismataceae Vent.
Echinodorus andrieuxii
Distribution: Central America – from southern Mexico to Costa Rica.
Ecology: It grows on margins of lakes, ponds, rivers, and swamps, at elevations from sea level to 900 m asl.
Echinodorus andrieuxii
Description: Perennial herb, up to 1 m tall, with erect rhizomes. Scapes erect, striate, angulate; leaves on long petioles, the blades shorter than the petioles, lanceolate to elliptic, up to 35 cm long and 14 cm wide, cuneate at the base, margins entire, acuminate at the apex, with 3–5 nerves, glabrous. Inflorescence spicate or paniculate, the whorls of flowers numerous; bracts lanceolate; sepals ovate, about 4 mm long, coriaceous, petals ovate, entire, white, carpels many in a dense head, stamens 20–24. The fruit is a nutlet with beak.
Note: The genus Echinodorus contains about 26 species, which occur in temperate and tropical America.
Echinodorus andrieuxii
Echinodorus andrieuxii
Echinodorus andrieuxiiEchinodorus andrieuxii
Echinodorus andrieuxii
These images were taken in Belize, Orange Walk (by Jindřiška Vančurová, February 20, 2015).