Heteranthera reniformis Ruiz & Pav.
-
Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
-
Family
Pontederiaceae
-
Scientific Name
-
Description
Species Description - Aerial lvs with floating or emersed, reniform blade 1–4 × 1–5 cm, as wide as or somewhat wider than long; petioles to 1.3 dm; spathe folded, 1–5 cm, loosely sheathing below; fls 2–8, all opening the same day, only the terminal one sometimes extending past the tip of the spathe; perianth largely white, densely glandular-pubescent outside, the tube 5–10 mm, the lobes 3–6.5 mm, 5 above and one below, the central upper one with 2 yellow (or green) spots at the base; filaments sparsely pubescent with spreading multicellular white hairs at least toward the tip; style pubescent with multicellular hairs; 2n=48. In shallow water or emersed on mud; Conn. and N.Y. to Mo., s. to trop. Amer.