Comprehensive Description
provided by North American Flora
Echinodorus andrieuxii (H. & A.) Small
Alisma Andrieuxii H. & A. Bot. Beech. Voy. 311. 1837.
Echinodorus ellipticus Micheli, in DC. Mo nog, Phan. 3 : 51, in part. 1881. Not Alisma ellipii-
cum Mart. 1830. Echinodorus ellipticus ovatus Buch. in Kngler, Pflanzenreich 4 15 : 34. 1903.
Leaf-blades elliptic or oblong, 13-20 cm. long, obtuse, 5-9-veined, rather gradually narrowed at the base, the petioles mostly longer than the blades ; scapes commonly solitary, mostly 5-12 dm. tall, the inflorescence virgate, raceme-like, the floral whorls several, dense, remote ; bracts lanceolate, attenuate ; pedicels 8-14 mm. long, ascending in age ; sepals broadly ovate, 4.5-6 mm. long, obtuse, spreading in age ; petals white, twice or thrice as long as the sepals; fruit-heads ovoid, 6-8 mm. long; achenes 2.5-3 mm. long, the body cuneate or obovate-cuneate, flattish, strongly ribbed, the beak less than one half as long as
the body.
Type locality : Mexico. Distribution: Mexico.
- bibliographic citation
- Percy Wilson, Per Axel Rydberg, Norman Taylor, Nathaniel Lord Britton, John Kunkel Small, George Valentine Nash. 1909. PANDANALES-POALES; TYPHACEAE, SPARGANACEAE, ELODEACEAE, HYDROCHARITACEAE, ZANNICHELLIACEAE, ZOSTERACEAE, CYMODOCEACEAE, NAIADACEAE, LILAEACEAE, SCHEUCHZERIACEAE, ALISMACEAE, BUTOMACEAE, POACEAE (pars). North American flora. vol 17(1). New York Botanical Garden, New York, NY
