Comprehensive Description
provided by North American Flora
Sagittaria chapmanii (J. G. Smith) C. Mohr, Bull. Torrey
Club 24 : 20. 1897.
Sagittaria graminea Chapmanii J. G. Smith,Rep. Mo. Bot. Gard. 6: 52. 1894.
Plants usually emersed, 3-9 dm. tall ; leaves various, often partially represented by flat
phyllodia usually 10-30 cm. long, the blades linear or lanceolate, 15-20 cm. long, acute,
usually much shorter than the petioles ; scapes erect or assurgent, usually branched ; whorls
of the inflorescence often numerous ; pedicels spreading or ascending, those of the pistillate
heads 1.5-3 cm. long ; bracts lanceolate, 6-12 mm. long, acute or acuminate, slightly united
at the base ; sepals ovate or oblong-ovate, becoming 4.5-5.5 mm. long ; corolla mostly 1-2
cm. broad ; filaments dilated, pubescent ; anthers as long as the filaments or nearly so ;
fruit-heads about 5 mm. in diameter; achenes cuneate, about 1 mm. long, wingless, the
beak short, lateral and above the middle of the body.
Type locality : West Florida.
Distribution : Georgia, Florida, and Alabama.
- 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
