Brasenia schreberi
Syst. Nat. 1: 853. 1791.
Leaf-blade 3.5-13.5 × 2-8 cm. Flowers ca. 2 cm diam.; perianth parts dull purple, 10-20 × 2-7 mm; petals slightly longer and narrower than sepals. Fruits 6-10 mm. Seeds 1-2, 2.5-4 × 2-3 mm. 2n = 80.
Phenology: Flowering late spring–summer.
Habitat: Oligotrophic or mesotrophic ponds, lakes, and sluggish streams
Elevation: 0-2000 m
Distribution
Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Ala., Alaska, Ark., Calif., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., N.H., N.J., N.Y., N.C., Ohio, Okla., Oreg., Pa., R.I., S.C., Tenn., Tex., Vt., Va., Wash., W.Va., Wis., Mexico, West Indies (Cuba), West Indies (Jamaica), West Indies (Hispaniola), Central America (Guatemala and Belize), South America (se Venezuela), e Asia, Africa, e Australia
Discussion
Selected References
None.
Lower Taxa
"slightly longer and narrower" is not a number.